Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature ? (1) Electrolysis (2) Chromatography (3) Distillation (4) Zone refining
Option 3. Distillation is used when boiling point of metal is much less than impurities, as an example zinc, cadmium and mercury Also, mercury has non-volatile impurity. Therefore, it's miles purified with the aid of using distillation.
option 3 Distillation
