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1. |
In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with: |
A. | Copper (I) sulphide \[(C{{u}_{2}}S)\] |
B. | Sulphur dioxide \[\left( S{{O}_{2}} \right)\] |
C. | Iron sulphide \[\left( FeS \right)\] |
D. | Carbon monoxide (CO) |
Answer» B. Sulphur dioxide \[\left( S{{O}_{2}} \right)\] | |