Q. Which of the following process is not used for the purification of solid impurities?

A) Distillation
B) Sublimation
C) Crystallisation
D) Vaporisation
Explanation

(a)
Distillation process is not used for purification of solid impurities. It is used for the purification of liquids which boils without decomposition and contains non-volatile impurities.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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