Biology, asked by bnbehera1974, 21 hours ago

om 24. What is an indicator? What are the different types of indicators? Give an example of each of them? ​

Answers

Answered by ruddrakshparida2303
0

An indicator is a substance that changes its color in acidic and basic medium. An indicator shows one color in an acidic medium and different colors in a basic medium so that they are called indicators. There are different types of indicators:

Indicators derived from natural sources are called natural indicators. eg:- Litmus, red cabbage

indicators prepared in the laboratory are called synthetic indicators. eg:- Phenophtaline

Olfactory indicators are which give different odors in acidic and basic medium. eg:-Onion, vanilla essence, etc.

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