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BCECE Engineering BCECE Engineering Solved Paper-2003

  • question_answer
    Chalcopyrites is an ore of:

    A) gallium                                                                 

    B) copper 

    C)        calcium                

    D)        magnesium

    Correct Answer: B

    Solution :

    Chalcopyrite or copper pyrite is \[CuFe{{S}_{2}}.\] \[\therefore \] It is ore of copper and iron.


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