UPSC Ecology And Environment Environmental Issue And Environmental Pollution Question Bank Environmental Issues

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

    A) ozone and dust  

    B) \[C{{O}_{2}}\] and CO

    C) \[S{{O}_{2}}\] and CO             

    D) \[S{{O}_{2}}\] and\[N{{O}_{2}}\].

    Correct Answer: D

    Solution :

    \[S{{O}_{2}}\] and NO when present in large quantities dissolved in water vapour form sulphuric acid and nitric acid which dissolve in rain water resulting in acid rain \[({{H}_{2}}S{{O}_{4}})\] and \[(HN{{O}_{3}})\] which in turn causes great damage to forests and vegetation.


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