Question

The mass per unit volume of a substance is called density. (density = mass / volume ) Arrange the following in order of increasing density ---air, exhaust from chimneys, honey, water, chalk, cotton and iron

Answer 1

In order - air, exhaust from chimney, cotton, water, honey, chalk, iron.
You will find different answer from different sources of this question.

Answer 2

Hey mate.....
Here is your answer......
Air < exhaust from chimneys < cotton < water < honey < chalk < iron.
Hope it helps.......