Question

you are provided with three clear and colorless liquid in three different test tubes. how will you identify which test tube contains an acid, a base or water

Answer 1

by help of litmus paper

Answer 2

We shall test the liquids with litmus paper.
If the pH is <7, then the liquid is acid.
If the pH is =7,then the liquid is water.
If the pH is >7, then the liquid is base.