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  • Indicators help us to identify if a substance is an acid or base .
  • An olfactory indicator is a substance whose smell changes based on whether it is mixed with an acid or base.
  • In the lab, a process called Olfactory Titration is carried out while using olfactory indicators.
  • Example : Onion, clove oil and vanilla

Olfactory Indicators - Teachoo-01.jpg


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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo