Question

1 What is an acid-base indicator ? Give one incubator​

Answer 1

$\tt\huge\red{Answer}$

Acid - Base indicators (also known as pH indicators) are substances which change colour with pH. They are usually weak acids or bases, which when dissolved in water dissociate slightly and form ions.

Answer 2

Answer:

an acid base indicator helps us identify acids and bases

the litmus paper