Question

Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature ?

• A. Electrolysis
• B. Chromatography
• C. Distillation
• D. Zone refining

Answer 1

Answer: (C)

Distillation

Answer 2

Only metal stable in liquid state at room temperature is $Hg$. It has non volatile impurity. Therefore, it is purified by distillation