Q. Impure glycerine can be purified by
A) Steam distillation
B) Simple distillation
C) Vaccum distillation
D) Extraction with a solvent
Explanation
(c)
If a liquid decomposes at or below its boiling point, it is purified by vacuum distillation, impure glycerine is purified by this method
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.