Class: X
Chemistry
Chapter 2
Acids, Bases and Salts
On the basis of origin, acids are classified as:
a. Organic acids: Acids derived from living organisms like plants and
animals are called organic acids. They are weak acids and are not harmful for living organisms. For example, citric acid is present in
fruits, acetic acid present in vinegar, oxalic acid present in tomato, tartaric acid present in marind, lactic acid present in sour milk and curd.
b. Mineral acids: They are also called inorganic acids. They are dangerous and corrosive. Special precautions have to be taken while handling them. For example sulphuric acid (H2SO4), hydrochloric acid (HCl) etc.