BHU PMT BHU PMT Solved Paper-2003

  • question_answer
    The gases that produce green house effect are :

    A)  \[C{{H}_{4}},CFCs,C{{O}_{2}}\]

    B)  \[C{{O}_{2}},{{N}_{2}}O,{{H}_{2}}\]

    C)   \[CFCs,N{{O}_{2}},{{O}_{2}}\]

    D)  \[C{{O}_{2}},{{N}_{2}}\]water vapour

    Correct Answer: A

    Solution :

                     Green house effect is warming effect found in green house by allowing solar radiations to pass in but preventing long wave heat radiations to pass out due to certain gases known as green house gases like water vapours, \[C{{O}_{2}},C{{H}_{4}},\]Chlorofluorocarbons (CFCs) and \[{{N}_{2}}O\] etc. \[N{{O}_{2}}\]and \[S{{O}_{2}}\]causes acid rain by forming \[HN{{O}_{3}}\]and \[{{H}_{2}}S{{O}_{4}}\]with water.


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