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Banking Chemistry Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-metals

  • question_answer
    The chief ore of aluminium is

    A)  bauxite                          

    B)  cryolite

    C)  alunite              

    D)         feldspar

    Correct Answer: A

    Solution :

     Bauxite is \[A{{l}_{2}}{{O}_{3}}.2{{H}_{2}}O\]


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