Question

5. Give difference between the following:
*(1) Acid and Base
Acid
Base​

Answer 1

Explanation:

Acids Bases

i) Acids are sour in taste. i) Bases are bitter in taste.

ii) Acid turns blue litmus to red. ii) Bases turn red litmus to blue.

iii) Acid is a substance which contains hydrogen ion H

+

. iii) Bases are substances which contain hydroxyl ion OH

−

.

Answer 2

An acid is a substance that produces hydrogen ion (H+) as the only positive ion when mixed with water. They change blue litmus to red.eg: Acetic acid

A base is a substance that produces hydroxyl ion (OH–) as the only negative ion when mixed with water. They change red litmus to blue .eg: potassium hydroxide

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