Outline the principles of refining of metals by the following methods :
(a) Electrolytic refining
(b) Zone refining
( c) Vapour phase refining.

Outline the principle of refining of metals by the following methods : (iii) Electrolysis

Outline the principles of refining of metals by the following methods. Electrolytic refining

Outline the principles of refining of metals by the following methods.Electrolytic refining.

Outline the principles of refining of metals by the following methods. Poling

Outline the principle of refining of metals by the following methods : (i) Distillation

Outline the principle of refining of metals by the following methods : (ii) Zone refining

Outline the principles of refining of metals by the following methods. (a)Zone refining (b) Electrolytic refining (c) poling (d) Vapour phase refining.

Outline the principles of refining of metals by the following methods. zone refining