Question

On what principle is the method of zone refining of metals based? ​

Answer 1

Answer:

It is based on the principle that impurities are more soluble in melt than pure metal.

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Answer 2

Zone refining: The method is based on the principle that the impurities are more soluble in the melt than in the solid state of the metal. A circular mobile heater is fixed at one end of a rod of impure metal.