Critical C : S for carbonaceous materials is

A. 25 : 1

B. 50 : 1

C. 75 : 1

D. 100 : 1

Answer: Option B

Solution(By Examveda Team)

Carbonaceous material is a ubiquitous component of atmospheric aerosols. From combustion processes, carbon-containing compounds are emitted directly into the atmosphere in particulate form.
Critical C : S for carbonaceous materials is 50 : 1.