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Point out of the true statement....

Point out of the true statement.

A

photochemical smong occurs in a day time while the classical smong occur in the morning hours

B

Classical smong has an oxidizing character whereas the photochemical smong is reducing in character

C

During formation of smong ,the level of ozone in the atmosphere goes down

D

Classical smong is good for health but not photochemical smong

Text Solution

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The correct Answer is:
C
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