🛠️ JEE🧪 Chemistry

In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to :

separate \(CuO\) as \(CuSiO _3\)

remove calcium as \(CaSiO _3\)

decrease the temperature needed for roasting of \(Cu _2 S\)

remove \(FeO\) as \(FeSiO _3\)

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