Question

how gold and silver furified and mined​

Answer 1

Explanation:

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Answer 2

$\huge\mathfrak\blue{Answer}$

The two gold refining methods most commonly employed to derive pure gold are: the Miller process and the Wohlwill process. The Miller process uses gaseous chlorine to extract impurities when gold is at melting point; impurities separate into a layer on the surface of the molten purified gold.