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VMMC VMMC Medical Solved Paper-2006

  • question_answer
    Which of the following is pollutant as well as protectant?

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

    B)        Ozone                  

    C) CFC                       

    D)        PAN

    Correct Answer: B

    Solution :

    Ozone is pollutant (causing hardening of tyres, leaf curling) in troposphere and protectant (prevent, UV rays to reach the earth) in stratosphere.


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