Скачать или смотреть CBSE Class 10 Chemistry Notes Strongness of acids and bases

CBSE Class 10 Chemistry Notes Strongness of acids and bases
We can judge how strong a given acid or base is by using a universal indicator. Hydrogen ion concentration in a solution indicates its strongness and its nature.
A scale for measuring hydrogen ion concentration in a solution, called pH scale has been developed. The p in pH stands for ‘potenz’ in German, meaning power.
If
pH less than 7 solution is acidic.
pH = 7 solution is neutral.
pH greater than 7 solution is basic.
pH = 0 solution is very acidic.
pH = 14 solution is very alkaline.

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