Question

What should be added to

(a) increase the $p^H$ value,

(b) decrease the $p^H$value of a neutral solution

Answer 1

Pure or distilled water has a pH level of 7, which means it is neutral.

(i) If you want to increase the pH of water, youmust add an alkaline substance, such as baking powder, to it.

(ii) If you want to decrease the pH of water, you add an acidic substance, such as lemon juice, to it