Which of the following is the primary component of photochemical smog?
A)ozone
B)carbon dioxide
C)nitric oxide
D)sulphur dioxide

Question

Quizplus · Accepted Answer

Ozone is the primary component of photochemical smog. It is formed when nitrogen oxides and volatile organic compounds react in the presence of sunlight. Carbon dioxide and sulphur dioxide are not major components of photochemical smog, and while nitric oxide is involved in its formation, it is not the primary component.

Which of the Following Is the Primary Component of Photochemical