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18/03/2022 8:29 pm
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Photochemical smog consists of excessive amount of X, in addition to aldehydes, ketones, peroxyacetyl nitrate (PAN), and so forth X is
(a) CO
(b) CH4
(c) O3
(d) CO2
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18/03/2022 8:30 pm
Correct answer: (c) O3
Explanation:
Chemical pollutants in photochemical smog are nitrogen oxides (NO and NO2), volatile organic compounds, ozone (O3) and peroxyacetyl nitrate.