Question

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

• A. Sulphides of copper (II) and iron (II)
• B. Sulphides of copper (II) and iron (III)
• C. Sulphides of copper (I) and iron (II)
• D. Sulphides of copper (I) and iron (III)

Answer 1

Answer: (C)

Sulphides of copper (I) and iron (II)

Answer 2

Copper matte contains $Cu_{2}S$ and FeS.