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Question

Outline the principles behind the refining of metals by the following methods:
(i) Zone refining method
(ii) Chromatographic method


Solution

(i) Zone refining: This method is based on the principle that impurities are more soluble in the molten state of metal (the melt) than in the solid state. 

(ii) Chromatographic method-This method is based on the principle that different components of a mixture are differently adsorbed on an adsorbent


Chemistry

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