Q. The gas not absorbed by coconut charcoal is

A) He
B) Ne
C) Ar
D) Kr
Explanation

(a)
He gas is not adsorbed by coconut charcoal.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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