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Which of the following diagram is correctly related to refining of gold?

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answer is B.

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Detailed Solution

Gold obtained from extraction steps contains silver, copper zinc and sometimes lead as impurities.

Cupellation $\to$ Zinc and lead are oxidised and ore blown off.

Parting process $\to$ Removal of impurities of silver and copper

Miller's process $\to$ To remove chlorine Electrolytic refining.

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