• 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


  1. Class 10
  2. Chapter 2 Class 10 - Acids, Bases and Salts (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo