Question

For ph paper what is the approximate ph value of tap water , pond water , rainwater and boiled water and what is the colour developed in all these type of water ?

Answer 1

The pH of pure water is 7. In general, water with a pH lower than 7 is considered acidic, and with a pH greater than 7 is considered basic. The normal range for pH in surface water systems is 6.5 to 8.5, and the pH range for groundwater systems is between 6 to 8.5.