Assertion `(A)`: Hardness of water is determined by titrating it with disodium
Channel: Doubtnut
Date: 2020-07-26

Assertion `(A)`: Hardness of water is determined by titrating it with disodium salt of `EDTA`.  Reason `(R)` :The indicator used in the titration is Eriochrome Black`-T` at `pH=10`.