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J & K CET Medical J & K - CET Medical Solved Paper-2006

  • question_answer
    Which of the following ores is an ore of copper?

    A)  Argentite                           

    B)  Haematite

    C)  Malachite          

    D)  Calamine

    Correct Answer: C

    Solution :

                    Argentite             : \[A{{g}_{2}}S\] Haematite           : \[F{{e}_{2}}{{O}_{3}}\] Malachite            : \[Cu{{(OH)}_{2}}.CuC{{O}_{3}}\] Calamine             : \[ZnC{{O}_{3}}\]


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