RAJASTHAN PMT Rajasthan - PMT Solved Paper-1996

  • question_answer
    Which of the following gas is responsible for add rain?

    A)  \[S{{O}_{2}}\]                                           

    B)             \[C{{O}_{2}}\]

    C)  \[{{O}_{2}}\]                               

    D)             None

    Correct Answer: A

    Solution :

    The \[S{{O}_{2}}\] may be oxidized to \[S{{O}_{3}}\] and precipitated as \[{{H}_{2}}S{{O}_{4}}\] and oxides of nitrogen \[(NO,\,{{N}_{2}}O)\] etc. may be precipitated into \[HN{{O}_{3}}\]. Due to the presence of \[{{H}_{2}}S{{O}_{4}}\] and \[HN{{O}_{3}}\] the pH of rain becomes as low as 3.0 this phenomenon is called as acid rain.


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