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Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matte obtained from the blast furnace is charged into a silica-lined converter. Some silica is also added, and a hot air blast is blown into the mixture to obtain blister copper, which is purified by electrorefining. Matte is a mixture ofA. `Ca_(2)S + FeO`B. `Cu_(2)S _ FeS`C. `Ca_(2) + FeS`D. `Cu_(2)O + FeO`

Answer» Correct Answer - b
The copper matte contain mostly caprous sulphide with a little iros sulphide


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