Home Preparation for National Talent Search Examination (NTSE)/ Olympiad
Chapter : 4. Acid Bases & Salts
The pH values of some common solutions
The pH values of some common solutions
How is pH measured? The pH of a solution is generally determined with the help of a pH paper, or universal indicator. The pH paper gives a particular colour with a solution of particular pH. The colour is compared with a chart which has different colours at different pH values.