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What is an Indicator? Name Three Common Indicators. - Science

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One Line Answer

What is an indicator? Name three common indicators.

What is an indicator?

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Solution 1

Indicators are substances that show a distinct change (colour or odour) simultaneous to a change in concentration of ions such as Hand OH- ions.
Examples: Methyl orange, phenolphthalein and litmus solution.

Solution 2

An indicator or acid-base indicator is a chemical substance which indicates the acidic or basic nature of a solution by suitable colour change.

Concept: Indicators
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APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 8th Science Answers Guide
Chapter 14 Acids and Bases
Exercise | Q IV. 5. | Page 164
Lakhmir Singh Class 10 Chemistry (Science)
Chapter 2 Acids, Bases and Salts
Q 16.1 | Page 67
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