Question

How an acid can be tested by olfactory Indicator?

Answer 1

Answer___

Add the hydrochloric acid to the garlic infused sodium hydroxide solution in small volumes, swirling gently after each addition. A sudden change in intensity to the smell is detectable at the end-point of the titration.

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Answer 2

Answer:

olfactory indicator are the indicators which indicate the ph of a solution through the smell

eg. vanillas smell vanishes when mixed with base but remains the same when mixed with acids

so if smell remains the same it will be an acid