Science, asked by aanitajindal123031, 4 months ago

25. Which one of the following is olfactory indicator?
(a) onion
(b) china rose
(c) tea
(d) amla

Answers

Answered by soumeshpanda08

2

Answer:

Onion

Explanation:

Olfactory indicators are those substances whose smell changes in acidic or basic solution.

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