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J & K CET Engineering J and K - CET Engineering Solved Paper-2012

  • question_answer
    \[\text{CC}{{\text{l}}_{\text{4}}}\]and freons

    A)  are green compounds because they are green coloured

    B)  deplete ozone

    C)  cause increase in ozone concentration

    D)  have no effect on ozone concentration

    Correct Answer: B

    Solution :

     \[\text{CC}{{\text{l}}_{\text{4}}}\]and freons (chlorofluoro carbon)j deplete ozone layer.


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