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

Gujarat BoardEnglish MediumSTD 7ScienceExploring Substances: Acidic, Basic, and Neutral5 Marks
Question
What is the role of natural indicators in identifying acidic and basic substances?
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Answer

→ Natural indicators play a crucial role in identifying acidic and basic substances by changing color depending on the acidity or basicity of the solution.
 → These indicators are derived from natural sources like plants, flowers, and vegetables. For example, litmus, extracted from lichens, turns red in acidic solutions and blue in basic solutions.
→ Similarly, red rose petals and turmeric can be used as indicators, changing color in response to acids and bases.
 → By observing these color changes, one can easily determine whether a substance is acidic or basic, making natural indicators a simple and accessible tool for acid-base identification.

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