When copper ore is mixed with silica,
Question:

When copper ore is mixed with silica, in a reverberatory furnace copper matte

is produced. The copper matte contains ____________.

(i) sulphides of copper (II) and iron (II)

(ii) sulphides of copper (II) and iron (III)

(iii) sulphides of copper (I) and iron (II)

(iv) sulphides of copper (I) and iron (III)

Solution:

Option (iii) is the answer.

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