AMU Medical AMU Solved Paper-1997

  • question_answer
    Air pollution is caused by excess of

    A)  dinitrogen        

    B)  hydrogen

    C)  water vapour     

    D)  none of these.

    Correct Answer: A

    Solution :

    : Nitrogen form various oxides such as\[{{N}_{2}}O,\] \[NO,N{{O}_{2}},{{N}_{3}}{{O}_{4}},\]and\[{{N}_{3}}{{O}_{5}}\]which play an important role in the formation of photochemical smog, acid rains (air pollution).


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