Ultra purification of a metal is done by :

1.	Ultra purification of a metal is done by :
Answer» Zone melting When metals are required in a ultra pure state, the zone refining METHOD is USED. The principle-employed states that the impurities, which LOWER the melting point of a METAL remain preferentially dissolved in the liquid phase and purer metal will emerge in the solid phase.

Answer»

Zone melting

When metals are required in a ultra pure state, the zone refining METHOD is USED. The principle-employed states that the impurities, which LOWER the melting point of a METAL remain preferentially dissolved in the liquid phase and purer metal will emerge in the solid phase.

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Ultra purification of a metal is done by :

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