1.

`pH` of water is `7`. When a substance `Y` is dissolved in water, the `pH` becomes `13`. The substance `Y` is a salt ofA. Strong acid and strong baseB. Weak acid and weak baseC. Strong acid and weak baseD. Weak acid and strong base

Answer» Correct Answer - D
If we mixed any substance into the solution, them the value of `pH` is increased these sustances are salts of weak acid and strong base.


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