1.

Which of the following statements about photochemical smog is not correct ?A. It occurs in warm , dry and sunny climate .B. Chemically , it is a reducing mixture and is called reducing smog.C. It is formed as a result of action of sunlight on unsaturated hyfrocarbons and nitrogen oxides .D. It has high cncentration of oxidising agents and is also called oxidising smog.

Answer» Correct Answer - B
Classical smog is a reducing smog.


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