Easy2Siksha.com
   2025
/  
 ( -II)
(       )
 : 3   :75
:     ,           
           
-
1.     ?         
2.       ?        
      
-
3.               

4.     ?   ,      
 
-
Easy2Siksha.com
5.              
  -    ?
6.      :
()   
()    
() .
-
7.       ?      
 
8.                 

Easy2Siksha.com
   2025
/  
 ( -II)
(       )
 : 3   :75
:     ,           
           
-
1.     ?         
:󷇮󷇭       
                    
             ,     
        ,    
 ,               
              
    ,            

,    ,     ,     - 
 
󷊆󷊇1.      
              ,    
  8-18       (           
      )
Easy2Siksha.com
 
        , , , , 
           75%  
    99%   
-    ,          
         ,        
         
   ?
      ,  ,     
       
󼾳󼾴2.      
       ,       ,     
50     
 
        ,       
    
      ,       
               
()     
  ,            
          
   ?
   ,          ,  
,           
󹲴󹲵3.      
     ,  50     85    
 
Easy2Siksha.com
       ,   -90     
  "   "      -   ( )
          
        
            ,      
  
   ?
                  
󷇳4.          
 85     500-1000       "" 
( )   ,              

 
       1000       
 
   (   )        
        
    ,            
    
       
   (ISS)  
   ?
                 
  , ,         
󺛺󺛻󺛿󺜀󺛼󺛽󺛾5.     
  , , 500    10,000     ,  - 
      
 
          
Easy2Siksha.com
   -              
  
     
       
   ?
            ,     
                
󷉅󷉆󷉈󷉇         

 
 
 
 
0–8/18 
   
, - 

50  

 ,     

50–85 
   
   

85–1000 

, , 

500–10,000 

  
󷇰󷇯
                
            :
     ,
      ,
  ,
   ,
     
                   
   
Easy2Siksha.com
2.       ?        
      
:󷈴󷈶󷈵      ?
                
,   ,               
     
        
""              
                   
       ,          
   , ,  , ,          

          ,        
    
󷇮󷇭            
                   
                
          ,   ,    ,
               
          :
󷄧󷄫 (    )
          
        
      ,       
      ,           ,
     
Easy2Siksha.com
     
   (0° ):        ,   
 
  ( 90°   ):      ,   
             ,   
:
   -      
󷄧󷄬     (  )
      ,          

   ,   (  40°-60°)     
      24        
:             ,     
  
,    14       ,       
         8      
󷄧󷄭     

          ,       
 
 (     ): 3 
 (  
): 4  
     :           ,   
      -   
         
  
        ,   
󷄧󷄮   
 (23.5° 
)
Easy2Siksha.com

  ,  
          ,  
      
  :
  (23.5° )    (23.5° )      
  
     
  ,         (
 )
   
 ,        ( )

  ,             
󷄰󷄯  (, ,  )
      
       :
          
    (     )
            
                
:
           
               
󷄧󷄱  (   )
        ,       
            
:
            
            
Easy2Siksha.com
                ? 
         
󷄧󷄲      ( )
-     -    
albedo             
            
  
  
 ,          

                 
   
󷉅󷉆󷉈󷉇      
        :
     
  
 
 (, , )
    
   
        
󽇐
             -   
,   ,  
,   ,   ,    
      
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-
3.               

:              

           ,   -  
    ,   ,  ,  -    -  
            
         ,        ,
    ,             
            ,    
           
      ,            

I.    (      ?)
                
1.   
                    
    C    ,         
      :
 -   ,  
, ,  
,  ,         
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2.       
          C    ,       
  ,                 :
 
  (,  ,  )
   (, , )
                 -
     
3.       
    :
         
        
   -    
                  
 
4. -       
              (    
       )    ,    - -
                   
     
      :


  

              
Easy2Siksha.com
5.    (    )
              ,      
 :
                
  -        
               
II.    (  ?)
        ,           
           
1.        
                   
        ,          
     -       :
 
   
 
      :


    
 
       
2.           
""        
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        ,        ,   
              
    :
    :  
   ( ):  
:
  ()        
          
         
3.        
                   
   ,      
          :
 
  (, )
                 
III.      (    ?)
               ,  

  :
1.   
    200     
 (,  , )       
  
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   
  , , ,      
        :     
 (     )
2.   
    50-150    
   
 

   
           
3.     ( )
   25       
 
 ()      
 
 
                 

4. 
  
      
              

Easy2Siksha.com
                 
               
      :
  

 
  
     ,        
     
4.     ?   ,      
 
:󷇮󷇭  : , ,    
                 -
,             ,    
                 
       ,            
 ?          ...    ...   
    
       
             ,    
󷉁󷉂󷉃󷉄     ?
              
        ,    ()   ,   
                   
    ,             ,
         ,         
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   :
  (CO₂)
 (CH₄)
  (N₂O)
 ()
 
         ,       
  
󹻦󹻧     
              
1. 
  
   ,     ,        
  CO₂          
      
       ,      CO₂ 

2.   
        CO₂       
   , ,            
  =  CO₂  =     CO₂
3.  
   :
CO₂

 
 (   )
                 
4.  ( )
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,                
      
5.    
        ,    
6.  
   ,            
7.  
    :
 
  
  
  
          
󷇙󷇚󷇜󷇝󷇞󷇟󷇛󷉟󷉠󷉡󷉢󷉣󷉤󷉥󷉦    
        -          
 :  , , ,    
1.       
   -  ,            
       ,         
2.     
          :
 
 
  

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     
3.    
              :
      
           
        
4.   
              :
  
  
  
       
5.  
   :
 
  
, ,      (       
 )
6.  
     ,       
                CO₂ 
      
7.      
         ,  CO₂      
    -        
󷊆󷊇       
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              
         :
1. 
    
    
     
,       
   CO₂      
2.   
             CO₂  
      
3.  
-     :
      
    
     
-      
4.  
  
    
    
         
5.  
    
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     
          
6.    
      :
  
 
    
7.   
            ,  
     
8. 
 
           :
 
 
          
󷇰󷇯
               
              ,    
  :       ,      ,    
 
           
 
,         -  , ,   
     -             
              󷋇󷋈󷋉󷋊󷋋󷋌󹲡
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-
5.              
  -    ?
:            
  -    ?
                   ,
                   
       -         
        ,         
 
          ,     
󷇙󷇚󷇜󷇝󷇞󷇟󷇛1.     
     ,            
                 
     :
    
               
                 ,    
    !

    165         :
       
 , ,  ,  ,      
        -      !
  
Easy2Siksha.com
    ,      19,000     
               !
    
    ,          
 11,000  (11 )         (  ) 
   ,         
    
      :
    
    
      
󷇙󷇚󷇜󷇝󷇞󷇟󷇛2.         - 
         , , ,   
    -               , 
        ,         
  
 -    -    
󺅪󺅫󺅬󺅭.     
      ,     -     
       
    :
     
 
 
 
Easy2Siksha.com
                 
(   )              

🏔.    -   
          -  
         -       
        
                  
 ,           
󷇤󷇥󷇠󷇡󷇢󷇣󷇦.     
    " "          
          
    :
  
  
  
       ,            
                 
🏞.  
     ,    
    :
  
  
                
        
Easy2Siksha.com
󷆳󷆴󷆸󷆵󷆶󷆷.  , 
          ,     
  ,              -
       
,                 
        
🏜.  
              
      
   :



  
              ,  
      
󷇮󷇭
         -  ,     
                
         ,  ,     ,
 ,        
         ,      
        -     
        ,           
 
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6.      :
()   
()    
() .
:  (     )
()   
                
            ,     
          
                  
       :
1.           
2.         
  ,            
       35    (ppt)    :
󷷑󷷒󷷓󷷔  1000      ,     35    
               , 
  
     ?
1. 
             
,        ,   =   
             
2.      
             ,      

   =  :        
      
3. 
,     ,       ,    
  ,      
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4.   
    ;     
   ?
        
      
        
    ""   ,        -    
   ,        
()    
       ,  ,        
      ,             
     ,   ,         :
   ,      
      ?
         , ,       3000  6000
             40%     , 
     -      
   ?
            ,     
 :
,
,
 , 
           
  -               , 
       
         ?
1.   
         
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2.     
        ,      
                 
3.   
              
 
4.  
 
   ,              
     
      ?
       ,          

            
            
    ,               
      ,     
() 
             ,     
              
   :           
  ?
                 
 
               ,      
         :
1.        
2.  - 
3.     
4.     
          ,     
   ?   
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1.       
                  
2.       
          ,     
3.  -  
           ,    
 
4.         
          ,     
  
  (   )
     200    
      
    
            -      
               

   ?
         
         
          
               
-
7.       ?      
 
:󷇙󷇚󷇜󷇝󷇞󷇟󷇛 :       
              
   -  -,        ,    
,                 
     
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         ,     
                
?        ,     ?
       
󽇐 1:     
                  
      ""   
1.   (   )
        
           ,     
 
     ,       
          ,         
        
󷄧󽇄    :                 
2.  (   )
           ,      
          :
  (          )
 (         )
            ,     

󷄧󽇄                 
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3.   ( )
       ,        :
   

   

              
󷄧󽇄           
4.    (    )
                 
 
         ,       
󷄧󽇄:         ,     ,    
          ,         

5.      
              , ,       
 
󷄧󽇄        -         

6.  
                     
               
󷇮󷇭 2:      
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              
       ,     
 ,     
,   -  ,      
󽇐.     
1.   ( )
              
        
      -  
            
          
:
      ,          
      ,        
󷄧󽇄                   
2.    ( )
                 
-      
         :



󷄧󽇄       ,   
3.   ( )
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             
:    
         
:
           
               
󷄧󽇄             
4.   ( )
               -    
    
      ,             
󷄧󽇄               ,   
         
󽇐.     
1.    ( )
           
           
󷄧󽇄         
2.   ( )
             -    
               
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3.   ( )
        ,          , 
-         
        :

 
:
        
        
4.     ()
                 
      ,        
  
8.                

:            
      ,       ,    
        ,  -  , , ,
              ,  
                  
,  ,         -     
             
      ,     ,       
            ,  ,      
     ,   ,       
        
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 ,                 
    :
1.      
2.         
3.           
 ,     :          
                  
1.  :     
                
   , ,             

     ?
    , ,          
 ,            
 
              
             
   
         :
   (     )
  (   ) 
   ,            
    
         ,      -   
    
  :    
   :   
   :    
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                 

2.  :    
           ,      
     ,      -     
   
        ,     ,     
  
   
          ,      
,   
     :
)  
  (CaCO₃)         :
  (  )
 ( )
 (  )
          ,     
     
b)  
 (SiO₂)       :
 ()
 ( )
         ,   -  

Easy2Siksha.com
               
 :
     
      
          
3.   :       
       ,           
                 ,   
 
 
1.  ,     , ,      
2.                
      
3.   -       "
"     
4.            
    
 :      ,        
 : -    
:     
        -      !
4.  :   
    ,             
,  ,                
     
   :
-   
Easy2Siksha.com
      
             
    ,        ,  
      
        
1.  
   
, , 
  -  - 
2.    
    -  ""  
     
          
3.   (  )
    
       ,    
   
4. - 
   
    
         

      ;       -  , ,  ,
  ,       -       
  ,          ,     ,
   ,          
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