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Extraction of silver from `Ag_(2)S` by the use of sodium cyanide is example ofA. RoastingB. HydrometallurgyC. ElectrimetallurgyD. Smelting |
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Answer» Correct Answer - B `Ag_(2)S + 2NaCH hArr 2Na[Ag(CN)_(2)]+ Na_(2)S`. |
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