Question

define olfactory indicators??​

Answer 1

Explanation:

An Olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution. ... Simply put, olfactory indicators are substances which have a different odour in acid and base solutions. For eg: Vanilla extract has a characteristic pleasant smell, onion and clove oil, etc.

Answer 2

Olfactory indicator

• There are certain substances whose odour (smell)changes in acidic or basic solutions. These substances are called...
• The olfactory indicators have a characteristics odour.
• This odour in olfactory indicators is changed in acidic or basic solution and helps us in detecting whether a given...