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You are provided with samples of impure copper and germanium.

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You are provided with samples of impure copper and germanium.

1. Which method would you recommend for the purification of each of these metals?

2. What is ‘‘Copper matte”? How is it formed?

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1. Coper – Electrolytic refining 

Germanium – Zone refining

2. The copper in the furnace that contains Cu2S and FeS is called copper matte. It is formed when copper ore is heated in reverberatory furnace after mixing with silica.

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