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    ​Ozone layer is responsible for preventing harmful UV rays to enter the earth's atmosphere. Which of the hydrocarbons is/are not responsible for deple
    Question

    Ozone layer is responsible for preventing harmful UV rays to enter the earth's atmosphere. Which of the hydrocarbons is/are not responsible for depletion of the ozone layer?

    A.

    Asphalt


    B.

    Propellants


    C.

    Refrigerants


    D.

    Foam-blowing agents

    Correct option is A

    The correct answer is (A) Asphalt.

    Explanation:Asphalt does not deplete the ozone layer. Propellants, refrigerants, and foam-blowing agents contain harmful chemicals like CFCs that contribute to ozone depletion.

    Incorrect Options Explanations:

    • Propellants: Contain CFCs that harm the ozone layer.
    •  Refrigerants: Release CFCs/HCFCs, damaging the ozone.
    • Foam-blowing agents: Use CFCs that affect the ozone.

    Information Booster:

    • Ozone layer absorbs harmful UV rays.
    • The Montreal Protocol (1987) seeks to phase out ozone-depleting substances.

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