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Manipal Medical Manipal Medical Solved Paper-2012

  • question_answer
    When zeolite which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with

    A) \[{{H}^{+}}\]ions

    B) \[M{{g}^{2+}}\]ions

    C)  \[C{{a}^{2+}}\]ions

    D)  both\[C{{a}^{2+}}\]and\[M{{g}^{2+}}\]

    Correct Answer: D

    Solution :

     Zeolite when treated with hard water exchange\[C{{a}^{2+}}\]and\[M{{g}^{2+}}\]ions (present in hard water) with\[N{{a}^{+}}\]ions.


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