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Question

Leaching is commercially carried out for in the concentration of:

A
galena
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B
argentite
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C
copper pyrites
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D
tin stone
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Solution

The correct option is B argentite
Leaching is a process in which the ore is dissolved in a suitable solvent, where the impurities remain undissolved. This method is used in the extraction of Ag from Argentite where is, the ore is dissolved in sodium cyanide solution.

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