Acids Bases and Salts Class 10 Science - Strength of Acid or Base

Acids Bases and Salts Class 10 Science - Strength of Acid or Base Access complete course on https://www.LearnFatafat.com To measure the hydrogen ion concentration in the solution a scale is developed called pH scale. p denotes German word ‘potenz’ means power. A pH scale is a strip of different equally spaced colours with each marked with unique number from 0 to 14 called pH value. pH value 7 is neutral. pH value less than 7 indicate acidic nature. pH value greater than 7 basic nature. Generally paper which is impregnated with universal indicator is used to for measuring the pH.