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General Principles And Processes of Isolation Of Elements
Question
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In the extraction of copper from its sulphide ore, the metal finally obtained by the reduction of cuprous oxide with 

  • Iron (II) sulphide

  • Carbon monoxide

  • Copper (I) sulphide

  • Sulphur dioxide

Answer

C.

Copper (I) sulphide

Reduction of Copper oxide done with Copper (I) sulphide.
Cu2S + 2Cu2O → 6Cu +SO2 ↑

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