Q. In acid rain, $SO_{2}$ accounts by

A) 70%
B) 100%
C) 50%
D) 30%
Explanation

Acid rain is due to air pollution of oxides of nitrogen ($NO_{x})$ and sulphur ($SO_{x}$). Sulphar dioxide ($SO_{2}$) reacts with water moisture and forms sulphuric acid, which accounts about 70% of acid rain.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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