Isolation of Elements

Question

The metal that can be purified economically by fractional distillation method is :

Accepted Answer

Option B. Zinc can be purified economically by fractional distillation.
Fractional distillation process utilises the boiling point difference
between metal and that of impurity. Using this process, crude zinc
containing Cd, Fe and Pb as impurities can be refined.

More on Isolation of Elements

Isolation of Elements

More on Isolation of Elements