WB JEE Medical WB JEE Medical Solved Paper-2008

  • question_answer
    Freon gas causing stratospheric \[{{O}_{3}}\]depletion is mainly released from

    A)  refrigerator                      

    B)  automobile

    C)  thermal power plant    

    D)  steel industry

    Correct Answer: A

    Solution :

                    Major sources of chlorofluorocarbons are leaking air conditioners, refrigeration units, evaporation of industrial solvents, production of plastic foams and propellants in aerosol spray cans.


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