RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    Which of the following is used in the extraction of copper?

    A)  \[C{{u}_{2}}S\]

    B)  Pyrite

    C)  Silver argentocyanide

    D)  \[CuFe{{S}_{2}}\]

    Correct Answer: D

    Solution :

     Copper pyrite\[(CuFe{{S}_{2}})\]is the main ore of copper.


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