Question

The mass per unit volume of ha substance is called density. Arrange the following in order of increasing density :

air, exhaust from chimneys, honey, water, chalk, cotton and iron.

Answer 1

air < exhaust from chimneys < cotton < water < honey < chalk < iron.
Increasing density of the substances in the list given by you.
Thanks.
Hope this helps you.

Answer 2

Hy
Here is your answer
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air < exhaust from chimneys < cotton < water < honey < chalk < iron.
Increasing density of the substances in the list given by you.