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| 1. |
What is Ammonia leaching |
| Answer» Solution :When a crushed ore containg nickel ,COPPER and cobalt is treated with aqueous ammonia under suitable pressure,ammonia selectively leahes these metal by FORMING their soluble complexes VIZ.`[Ni(NH_(3))_(6)]^(2+),[Cu(NH_(3))_(5)H_(2)O]^(3+)` respectively from the ore leaving behind the GANGUE,iron (III) oxides/hydroxides and aluminosilicate. | |