00Test Name: 1. Hardness of water 2. Purity test of CH3COOH 3. Purity test of NaOH 4. Purity test of Na2CO3 1. Hardness of Water: Ø  At first 5cc water is taken in a small beaker Ø  Then 2 drops of Buffer solution and 1 drop of Calamagite Indicato is mixed well with water. At …