Q. Which of the following statements is not true?
A) Ammonia acts as sink for $NO_{x}$
B) Limestone acts as sink for $SO_{x}$
C) The average residence time of NO is one month
D) $SO_{x}$ can be removed from flue gases by passing through a solution of citrate ions
Explanation
(c)
The average residence time of NO is 4 days
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.