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After partial roasting, the sulphide of copper is reduced byA. Reduction by carbonB. ElectrolysisC. Self-reductionD. Cyanide process |
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Answer» Correct Answer - C Self-reduction, Readuction of oxide ore of a metal by its own sulphide `2Cu_(2)O + Cu_(2)S rarr 6Cu+SO_(2)` |
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