JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2008

  • question_answer
    Which of the following is not an ore of magnesium?

    A)  Carnal lite                          

    B)  Dolomite

    C)  Calamine           

    D)  Sea water

    Correct Answer: C

    Solution :

                    Carnal lite\[(KCl.MgC{{l}_{2}}.6{{H}_{2}}O),\]dolomite\[(MgC{{O}_{3}},CaC{{O}_{3}})\]and sea water are the ores of magnesium. Calamine\[(ZnC{{O}_{3}})\]is an ore of zinc.


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