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NEET Chemistry Hydrogen & Its Compounds / हाइड्रोजन और इसके यौगिक Question Bank Self Evaluation Test - Hydrogen

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

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

    B) \[C{{a}^{2+}}ions\]

    C) \[S{{O}_{4}}^{2-}\] ions         

    D) \[O{{H}^{-}}\] ions

    Correct Answer: B

    Solution :

    [b] Na zeolite \[+CaC{{l}_{2}}\to Ca\] zeolite \[+2NaCl\]


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