Question

What is indicator? List down the type.​

Answer 1

An indicator is a substance that changes its colour in acidic and basic medium.An indicator shows one colour in acidic medium and different colour in basic medium so that they are called indicators. lndicators derived from natural sources are called natural indicators.

Answer 2

Answer:

An indicator prepared from natural substances is known as natural indicator. Examples are Litmus, Turmeric, China rose petals, snowball plant, Red Cabbage and Grape Juice… . An indicator prepared from artificial substances is known as synthetic indicator Examples are Phenolphthalein and Methyl Orange.