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.