WB JEE Medical WB JEE Medical Solved Paper-2006

  • question_answer
    Acid rain is due to increase in atmospheric concentration of:

    A)  Ozone                                 

    B)  \[C{{O}_{2}}\]and CO

    C)  \[S{{O}_{3}}\]and CO                   

    D)  \[S{{O}_{2}}\]and nitrogen oxide

    Correct Answer: D

    Solution :

                    Both sulphur dioxide \[(S{{O}_{2}})\]and nitrogen oxide \[(N{{O}_{2}})\]are convened to acids when they combine with water vapour in the atmosphere. These acids return into earth as either wet deposition (acid rain or snow) or dry deposition (sulphate and nitrate salts).


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