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General Principles And Processes Of Isolation Of Elements

Question

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You are provided with samples of some impure metals such as zinc, copper and germanium. Which methods could you recommend for the purification of each of these metals?

Solution

Zinc: The metal may be purified by
(i) Fractional distillation
(ii) Electrolytic refining.

Copper: The metal may be purified by
(i) Poling
(ii) Electrolytic refining.

Germanium: The metal may be purified by
(i) zone refining.

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