The method of zone refining of metals is base | vedclass

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(D) The method of zone refining is based on the principle that the impurities are more soluble in the molten state of the metal than in the solid stat

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Greater solubility of the impurity in the molten state than in the solid state.

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(D) The method of zone refining is based on the principle that the impurities are more soluble in the molten state of the metal than in the solid state.$A$ circular mobile heater is fixed at one end of a rod of the impure metal.The molten zone moves along with the heater as it is moved forward.As the heater moves forward,the pure metal crystallises out of the melt,while the impurities remain in the molten zone and are carried forward.

The method of zone refining of metals is based on the principle of:

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