Easy
When copper ore is mixed with silica in a reverberatory furnace,copper matte is produced. The copper matte contains . . . . . .
- ASulphides of copper $(II)$ and iron $(II)$
- BSulphides of copper $(II)$ and iron $(III)$
- CSulphides of copper $(I)$ and iron $(II)$
- DSulphides of copper $(I)$ and iron $(III)$
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