Question

what is acid and base​

Answer 1

Acid = those substance which has sour taste and convert blue litmus to red

Base= those substance which has bitter taste and convert red litmus blue..

Answer 2

An acid is a substance that gives hydrogen ion H+or a hydronium ion H3O+when dissolved in water. A substance, which has an acidic nature, contains one or more hydrogen and an anionic group in its formula.

A Base is a substance which gives hydroxide ion OH-when dissolved in water