What are natural indicators give examples of action of two such indicators which you may have observed.
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Naturally obtained indicators are known as natural indicators.
hibiscus change acids pink and bases green. Turmeric change acids colourless and bases red. Litmus change acid to red and base to blue.
hibiscus change acids pink and bases green. Turmeric change acids colourless and bases red. Litmus change acid to red and base to blue.
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