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  1. Pollutant from motor car exhaust that causes mental disease is

  2. A.

     Lead

    B.

     NO2

    C.

     SO2

    D.

     Hg

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    Answer : Option A

    Explanation :

    Lead is the most hazardous metal pollutants of automobile exhausts. Its effects are lead poisoning, anaemia, kidney disease, convulsions and also causes brain damage in children. It also affects central nervous system and distorts the red blood corpuscles.


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