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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 is not an ore?

    A)  Bauxite                       

    B)  Malachite

    C)  Zinc blende         

    D)         Pig iron  

    Correct Answer: D

    Solution :

     Pig iron \[\to \] It is the most impure form of iron and contains highest proportion of carbon (2.5-4%). Rest all are ore. \[Malachite\to Cu{{(OH)}_{2}}.CuC{{O}_{3}}\] \[Zincblende\to ZnS,\] \[Bauxite\to A{{l}_{2}}{{O}_{3}}.2{{H}_{2}}O\]


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