Q. Which method is used for the removal of sulphur dioxide and ammonia from the polluted air?
A) Electrostatic precipitator
B) Wet scrubbers
C) Gravitational method
D) Absorption
Explanation
A scrubber can remove gases like sulphur dioxide. In a scrubber, the exhaust is passed through a spray of water or lime
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.