Pick up the correct statementA. CO which is a major pollutant resulting from the combustion of fuels in automobiles plays a major role in photochemical smog.B. Classical smog has an oxidizing character while the photochemical smog is reducing in characterC. Photochemical smog occurs in day time whereas the classical smog occurs in the morning hoursD. During formation of smog the level of ozone in the atmosphere goes down.

Pick up the correct statementA. CO which is a major pollutant resultin

1.	Pick up the correct statementA. CO which is a major pollutant resulting from the combustion of fuels in automobiles plays a major role in photochemical smog.B. Classical smog has an oxidizing character while the photochemical smog is reducing in characterC. Photochemical smog occurs in day time whereas the classical smog occurs in the morning hoursD. During formation of smog the level of ozone in the atmosphere goes down.
Answer» Correct Answer - C Photochemical smog is formed during the day time (in summer) when there is bright sunlight so that photochemical reactions can take place Classical smog is formed in the morning hours (in winter) when the temperature is low

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