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NEET NEET SOLVED PAPER 2018

  • question_answer
    In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?                                   [NEET - 2018]

    A)  Fe                              

    B)  Cl

    C)  Carbon                      

    D)  Oxygen

    Correct Answer: B

    Solution :

    UV rays act on CFCs, releasing Cl atoms, chlorine reacts with ozone in sequential method converting into oxygen Carbon, oxygen and Fe are not related to ozone layer depletion


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