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Acids, Bases and Salts — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceAcids, Bases and Salts2 Marks
Question
Define indicators along with examples.
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Answer

Indicators are special type of substance that are used to taste whether a substance is acidic or basic in nature. It change the colour of acidic or basis substances when added into it. Turmeric, litmus, etc. are some natural indicators.

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