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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