CET Karnataka Medical CET - Karnataka Medical Solved Paper-2003

  • question_answer
    Which are the primary constituent of photochemical smog?

    A)  Carbon dioxide and \[N{{O}_{2}}\]

    B)  Hydrocarbons and \[CFCs\]

    C)  \[S{{O}_{2}}\] and \[CO\]

    D)  \[N{{O}_{2}}\] and hydrocarbons

    Correct Answer: D

    Solution :

    Photochemical smog is highly oxidizing polluted atmosphere comprising largely of nitrogen oxides (NOx), ozone \[({{O}_{3}}),{{H}_{2}}{{O}_{2}},\]organic peroxides and PAN. This is produced as a result of photochemical reaction among primary constituents like nitrogen oxides (NOx), hydrocarbons and ozone \[({{O}_{3}}).\]


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