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Chemistry CBSE Live product
Class 7 (2026-27)
Exploring Substances: Acidic, Basic, and Neutral
Natural indicators
2.
Olfactory indicators
Question:
2
m.
Choose the best answer:
1.
Select a pair of olfactory indicators from the following.
Methyl orange and clove oil
Cabbage and vanilla
Clove oil and vanilla essence
Turmeric and onion
2.
Hydrangea plant grown in the basic soil, what is the colour of the flower?
Red
Orange
Black
Blue
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