Acid , Bases and Salts are important groups of chemical compounds which are useful to us in many ways.


Acids are sour substances that are acidic in nature. 

  • For Example -
    The stomach makes an acid (Hydrochloric acid) which is necessary for digestion of food.

Bases are bitter chemical compounds. They are said to be basic in nature .

  • For Example -
    Baking soda (sodium hydrogen carbonate) used in baking bread is a base.

Some substances are neither bitter nor sour . These compounds can be categorized as salts .

  • For Example -
    Common salt(sodium chloride) used in cooking food is a salt.


We cannot always determine whether a substance is acidic or basic using taste or touch .

We use indicators for this purpose.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo