Question

What is indicator ? Give examples of two natural and artificial indicators?

Answer 1

Indicator→ the substance which change its colour / odour in a solution.

example

natural → onions & turmeric

artificial → litmus & phenothyline.

Answer 2

Hi there,
Indicator is a substance used for testing any object or solution whether it is acidic or basic in nature...

Examples of Natural Indicators are:-
1) Litmus
2) Turmeric
3) Red cabbage
4) Coloured petals of flowers such as Petunia, Geranium, Hydrangea...

Examples of Artificial Indicators are:-
1) Methyl Orange
2) Phenolphthalein

Hope this answer helps you...
Thank you...