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JIPMER Jipmer Medical Solved Paper-1995

  • question_answer
    Of the following ores, the one which does not contain oxygen, is:

    A)  bauxite               

    B)  epsom salt        

    C)  cryolite         

    D)         dolomite

    Correct Answer: C

    Solution :

    Cryolite is a fluoride ore of aluminium with sodium. Its molecular formula is \[N{{a}_{3}}Al{{F}_{6}}.\] Hence, it does not cotain oxygen.


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