Chemistry General Principles And Process of Isolation of Elements

When copper ore is mixed with silica, in a reverberatory furnace copper matte is produced. The copper matte contains ____________.

1
sulphides of copper (II) and iron (II)
2
sulphides of copper (II) and iron (III)
3
sulphides of copper (I) and iron (II)
4
sulphides of copper (I) and iron (III)

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