Q. The smog is essentially caused by the presence of

A) $O_{2}\ and\ O_{3}$
B) $O_{2}\ and\ N_{2}$
C) Oxides of sulphur and nitrogen
D) $O_{3}\ and\ N_{2}$
Explanation

(c)
$NO,NO_{2},SO_{2}\ and\ SO_{3}$ are responsible for smog (environmental pollution).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.