b. Prelims Paper (GS) Paper – 1

(UPSC 2013) 49. Photochemical smog is a resultant of the reaction

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    Shashank Madhukar
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    49. Photochemical smog is a resultant of the reaction among

    (a) NO2, 03 and peroxyacetyl nitrate in the presence of sunlight

    (b) CO, 02 and peroxyacetyl nitrate in the presence of sunlight

    (c) CO, CO2 and N02 at low temperature

    (d) High concentration of N02, O3 and CO in the evening

     

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