Environmental Chemistry Question 55

Question: The smog is essentially caused by the presence of

Options:

A) oxides of sulphur and nitrogen

B) $ O_2 $ and $ N_2 $

C) $ O_2 $ and $ O_3 $

D) $ O_3 $ and $ N_2 $

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Smog is caused by oxides of sulphur and nitrogen.