Question

How will you test acid or base using olfactory indicators? explain it with an example.​

Answer 1

Answer:olfactory indicators are used to identify whether substance is base or acid. As these indicators shows significant changes in odour such as onion, vanilla, clove.

Onion:when onion paste is introduced to alkaline medium/substance it loses it smell while in acidic medium it retain its smell.

Clove:similar to onion, it too loses its smell in basic medium and retain in acidic.

Vanilla:also loses smell in basic medium and retain it in acidic.

Explanation:

Answer 2

Olfactory indicators can be used in the laboratory to test whether a solution is a base or an acid, a process called olfactory titration.