Question

define and indecator and mention different types of indecator​

Answer 1

Answer:

An indicator is that which when immersed or kept in contact with any solution changes as per the pH or the acidity or basicity of it.

There are mainly of 3 types

1) Natural - litmus, china rose, etc.

2) Synthetic - phenolphthalein, universal indicator

3) Olfactory - clove, onion.

Answer 2

Explanation:

the substance which is used to know the nature of other substances is called as indicator .

1. natural indicators
2. synthetic indicators
3. olfactory indicators
4. universal indicator(PH scale)