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Write Chemical Reactions Taking Place in the Extraction of Copper from Cu2 S. - Chemistry

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Write chemical reactions taking place in the extraction of copper from Cu2 S. 

Solution

The sulphide ores are roasted to give oxides 

\[\ce{2Cu2S + 3O2 -> 2Cu2O + 2SO2}\]

The oxide can easily be reduced to metallic copper using coke

\[\ce{Cu2O + C -> 2Cu + CO}\]

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