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The reagent commonly used to determine h...

The reagent commonly used to determine hardness of water titrimetrically is `:`

A

oxalic acid

B

sodium thiosulphate

C

sodium citrate

D

disodium salt of EDTA

Text Solution

Verified by Experts

The correct Answer is:
D
It forms calcium and magnesium complex with `Ca^(2+)` and `Mg^(2+)` ions present in hard water.
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Knowledge Check

  • The reagent commonly used to determine harness of water titrimetrically is :

    A
    Oxalic acid
    B
    disodium salt EDTA
    C
    sodium citrate
    D
    sodium thiosulphate

  • The method used to remove temporary hardness of water is

    A
    synthetic resins method
    B
    Calgon's method
    C
    Clark's method
    D
    ion-exchange method.

  • The method used to remove temporary hardness of water is:

    A
    Calgon.s method
    B
    Clark.s method
    C
    Ion-exchange method
    D
    Synthetic resins method