Question

3. What are indicaters
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Answer 1

Answer:

Indicators are chemical substances that tell us, by means of sharp change in colour, the nature of the solution. Example litmus, Phenolphthalein, methyl orange, etc.

Hope this helps you.

Answer 2

Answer:

something that gives some information also something are called indicators but your talking about science I hope it will be better than this- a indicator is a chemical compound added in small amounts to a solution so the solution can determined visually.

may it help you