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Acids, Bases and Salts — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts1 Mark
Question
Onion and vanilla extract are ___________ indicator.
✓

Answer

Onion and vanilla extract are Olfactory indicator.
Explanation:
Onion and vanilla essence are olfactory indicators.

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