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JEE Main & Advanced JEE Main Paper (Held on 12-4-2019 Afternoon)

  • question_answer
    The primary pollutant that leads to photochemical smog is : [JEE Main 12-4-2019 Afternoon]

    A) sulphur dioxide           

    B) acrolein

    C) ozone              

    D) nitrogen oxides

    Correct Answer: D

    Solution :

    Nitrogen oxides and hydrocarbons (unburnt fuel) are primary pollutant that leads to photochemical smog.


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