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Exploring Substances: Acidic, Basic, and Neutral — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceExploring Substances: Acidic, Basic, and Neutral2 Marks
Question
How is turmeric used as an indicator?
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Answer

Turmeric is made into a paste and applied on paper strips. In basic substances, turmeric paper changes from yellow to red, but it stays yellow with acidic and neutral substances​.

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