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MGIMS WARDHA MGIMS WARDHA Solved Paper-2003

  • question_answer
    Which of the following is not a pollutant?

    A)  Hydrogen                          

    B)  Carbon dioxide

    C)   Sulphur dioxide             

    D)  Carbon monoxide

    Correct Answer: A

    Solution :

                     Hydrogen is not a pollutant whereas sulphur dioxide and carbon monoxide are the main constituents of atmosphere. \[C{{O}_{2}}\]is not a pollutant at normal concentration    but    at    higher concentration \[C{{O}_{2}}\] cause greenhouse effect.


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