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Byju's Answer
Standard VII
Chemistry
Olfactory Indicators
Olfactory Ind...
Question

Olfactory Indicators indicate presence of acid or base by change in ______.

A
colour
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B
temperature
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C
smell
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D
taste
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Solution

The correct option is C smell
Olfactory indicators indicate the presence of acid or base by a change in their smell. Some examples of olfactory indicators are onion, vanilla essence, clove oil, etc.

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