Q. Which of the substance is purified by sublimation?

A) Benzoic acid
B) Camphor
C) Naphthalene
D) All of these
Explanation

(d)
Compound which sublime on heating can be purified by sublimation method.
Benzoic acid, camphor and naphthalene sublime on heating hence, they are purified by sublimation method.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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