How will you name the substances whose odour changes in acidic or basic media? Give an example of it.
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Explanation:
Olfactory indicators: Those substances whose odour changes in acidic or basic media are called lfactory indicators. For e.g., clove, vanilla, onion. Synthetic indicators: Methyl orange, phenolphthalein.
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Answer:
Olfactory indicators: Those substances whose odour changes in acidic or basic media are called lfactory indicators. For e.g., clove, vanilla, onion. Synthetic indicators: Methyl orange, phenolphthalein.
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