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(i) Write the name of the method used for the refining of the following metals:

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(i) Write the name of the method used for the refining of the following metals:

(a) Titanium

(b) Germanium

(c) Copper

(ii) Write the name of the method of concentration applied for the following ores:

(a) Zinc blends

(b) Haematite

(c) Bauxite

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1 Answer

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(a) Vapour phase refining /van Arkel method

(b) Zone refining

(c) Electrolytic refining

(ii) (a) Froth floatation process

(b) Magnetic separation

(c) Leaching

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