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J & K CET Engineering J and K - CET Engineering Solved Paper-2010

  • question_answer
    In the extraction of copper, the copper matte is a mixture of

    A)  copper(II) sulphide and iron(II) sulphide

    B)  copperd (II) sulphide and iron(III) sulphide

    C)  copper(I) sulphide and iron(II) sulphide

    D)  copper(I) sulphide and iron(III) sulphide

    Correct Answer: C

    Solution :

     In the extraction of copper, ?matte' is formed which is a mixture of \[\text{C}{{\text{u}}_{\text{2}}}\text{S,}\]\[ie,\] copper (I) sulphide and FeS, ie, iron (II) sulphide.


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