what is an olfactory indicator? Name two olfactory indicators. What is the effect of adding sodium hydroxide solution to these olfactory indicators?
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indicators which change their odour on addition of acids or bases are called olfactory indicators..
examples.
onion,clove
it depends which indicators u take...
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Answer:
Explanation:An Olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution
olfactory indicators
onion ,clove oil, vanilla extract
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