MCQ
The smog is essentially caused by the presence of
- ✓Oxides of sulphur and nitrogen
- B${O_2}$ and ${N_2}$
- C${O_2}$and ${O_3}$
- D${O_3}$ and ${N_2}$
✓
Answer
Correct option: A.
Oxides of sulphur and nitrogen
a
(a) Photochemical smog is caused by oxides of sulphur and nitrogen.
(a) Photochemical smog is caused by oxides of sulphur and nitrogen.
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