Which of the following statements about smog are correct?
a) Smog formed on sunny days contain oxidizing molecules
b) Photochemical smog contains many reactive molecules
c) The main polluting components of smog are oxides of carbon.
d) The presence of carbon monoxide in air leads to the formation of ozone in smog.

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a, b

b, c

b, d

a, c

answer is B.

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Detailed Solution

Smog is a fog which becomes hazier by smoke and atmospheric pollutants. Smog formed on sunny days contain oxidizing molecules. And photochemical smog contains many reactive molecules.

These two statements from the given statements are true.

Therefore, option (B) is correct.

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