SSC General Science & Technology Sample Paper NCERT Sample Paper-2

  • question_answer
    A powerful eye irritant present in smog is:

    A)  Ozone 

    B)  Nitric Acid

    C)  Peroxyacetyl Nitrate

    D)  Sulphur Dioxide

    Correct Answer: C

    Solution :

    [c] Peroxyacetyl Nitrates are both toxic and irritating, as they dissolve more readily in water than ozone. They are lachrymators, causing eye irritation at concentrations of only a few parts per billion. At higher concentrations they cause extensive damage to vegetation. Both Peroxyacetyl Nitrates and their chlorinated derivates are said to be mutagenic, as they can be a factor causing skin cancer.

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