JEE Main & Advanced Sample Paper JEE Main - Mock Test - 45

  • question_answer
    The substance which is a primary pollutant?

    A) \[{{H}_{2}}S{{O}_{4}}\]

    B)        \[CO\]

    C) \[PAN\]

    D)        Aldehydes

    Correct Answer: B

    Solution :

    \[CO\]is primary pollutant.


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