Q. Which one of the following is not a common component of photochemical smog ?
A) Ozone
B) Acrolein
C) Peroxyacetyl nitrate
D) Chlorofluorocarbons
Explanation
[Solution] Photochemical smog contains $O_3$, NO, acrolein, HCHO and PAN; CFCs are not a component. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.