Question

The false statement among the followings:

• A. The average residence time of NO is one month.
• B. Limestone acts as a sink for SOₓ.
• C. SOₓ can be removed from flue gases by passing through a solution of citrate ions.
• D. Ammonia acts as a sink for NOₓ.

Hint:

Flue gas desulfurization commonly uses limestone.

Answer 1

The Correct Option is C

SOₓ gases are removed using limestone slurry or alkaline scrubbers, not citrate ion solutions.