In the extraction of copper from its sulphide ore, the metal finally obtained by the reduction of cuprous oxide with :

  1. A

    Iron (II) sulphide

  2. B

    Carbon monoxide

  3. C

    Copper (I) sulphide

  4. D

    Sulphur dioxide

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    Solution:

    Reaction of the process:
    2Cu2​O + Cu2​S → 6Cu + SO2

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