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Explain hydrometallurgical process with suitable example. |
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Answer» Solution :The extraction of metals by USING their AQUEOUS solution is called HYDROMETALLURGY. Example : Au, Ag, Cu etc. are extracted by this method. The copper from LOW grade ores and scraps is extracted by hydrometallurgy. It is leached out using acid or bacteria. The solution containing `Cu^(2+)` is treated with scrap iron or `H_2`. `Cu_((aq))^(2+)+ H_(2(g)) to Cu_((s)) + 2H_((aq))^(+)`. |
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