The zone refining of metal is based on the pr | vedclass

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(D) 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. $A$ circula

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

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(D) 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,and the impurities pass into the adjacent molten zone,eventually reaching the end of the rod.

The zone refining of metal is based on the principle of

Similar Questions

When an impurity in a metal has greater affinity for oxygen and is more easily oxidised than the metal itself,the metal is refined by:

In vapour phase refining,metal $A$ is purified by Van Arkel method and metal $B$ is purified by Mond's process. $A$ and $B$ are respectively:

Which of the following is not correctly matched?

Which element is obtained in the pure form by the Van Arkel method?

Zone refining is a method to obtain

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