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Describe on one method to remove permane...

Describe on one method to remove permanent hardness of water.

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Knowledge Check

  • Which of the following methods is not used to remove permanent hardness of water?

    A
    by mixing sodium carbonate
    B
    by distillation
    C
    by mixing caustic soda
    D
    by boiling

  • Which of the following chemical substances can be used for removing permanent hardness of water by precipitation reaction?

    A
    baking soda
    B
    washing soda
    C
    alum
    D
    quick lime

  • Which of the following chemical substances can be used for removing permanent hardness of water by precipitation reaction?

    A
    Baking soda
    B
    Washing soda
    C
    Alum
    D
    Quick lime

    • Similar Questions

    Explore conceptually related problems

    Total number of methods which can remove permanent hardness of water: (a) Clark's method , (b) Ion-exchange method (c) synthetic resin method (d) Calgon method (e) treatment with sodium carbonate

    Write the chemical name and chemical formula of the salt used to remove permanent hardness of water.

    Which of the following chemical substances can be used for removing permanent hardness of water by precipitation reaction?

    Which of the following chemical substances can be used for removing permanent hardness of water by precipitation reaction?

    The reagent which is not used for removing the permanent hardness of water is :

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