Olfactory Indicators

Author:Lakhmir Singh & Manjit Kaur
10th CBSE
IMPORTANT

Olfactory Indicators: Overview

This topic explains the olfactory indicators. The substances whose smell changes in acidic or basic solution is known as olfactory indicators. When an acid or a base is added to the olfactory indicator, its characteristic smell cannot be detected.

Important Questions on Olfactory Indicators

EASY
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Acids, Bases And Salts>Olfactory Indicators> Q 1

Onion and vanilla extracts are _____ indicators.

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IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Acids, Bases And Salts>Olfactory Indicators> Q 2

Those substances whose smell (or odour) changes in acidic or basic solutions are called _____ indicators.

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IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Acids, Bases And Salts>Olfactory Indicators> Q 3

What is an olfactory indicator? Name two olfactory indicators. What is the effect of adding sodium hydroxide solution to these olfactory indicators?