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

  • question_answer
    Which of the following mineral does not contain Al?

    A)  Cryolite                       

    B)  Mica

    C)  Feldspar            

    D)         Fluorspar  

    Correct Answer: D

    Solution :

     Fluorspar \[(Ca{{F}_{2}})\], Cryolite \[(N{{a}_{3}}AI{{F}_{6}})\], Feldspar \[(KAIS{{i}_{3}}{{O}_{8}})\] and maica \[({{K}_{2}}O.3A{{l}_{2}}{{O}_{3}}.6Si{{O}_{2}}.2{{H}_{2}}O)\]


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