1.

Extraction of silver from `Ag_(2)S` by the use of sodium cyanide is example ofA. RoastingB. HydrometallurgyC. ElectrimetallurgyD. Smelting

Answer» Correct Answer - B
`Ag_(2)S + 2NaCH hArr 2Na[Ag(CN)_(2)]+ Na_(2)S`.


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