Examveda
Examveda

The smog is essentially caused by the presence of

A. O3 and N2

B. O2 and N2

C. Oxides of N and S

D. O2 and O3

Answer: Option C

Solution(By Examveda Team)

Photochemical smog is caused by oxides of sulphur and nitrogen.

This Question Belongs to General Knowledge >> Chemistry

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