Q. Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
A) Chromatography
B) Distillation
C) Zone refining
D) Electrolysis
Explanation
[Solution] Low-boiling metals such as mercury (liquid at room temperature) are purified by distillation. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.