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

Q1

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

[JEE Main 2023, 30 Jan (Shift 1)]

a

Separate \(CuO\) as \(CuSiO _3\)

b

Remove calcium as \(CuSiO _3\)

c

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

d

Remove \(FeO\) as \(FeSiO _3\)

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