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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

Disodium salt of EDTA

C

Sodium citrate

D

Sodium thiosulphate

Text Solution

Verified by Experts

The correct Answer is:
B
It form calcium and magnesium complex with EDTA salt
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