Question

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

Answer 1

Exhaust from chimney , air, cotton,water, honey,  chalk, iron.

Answer 2

Air, water, exhaust from chimneys, chalk, cotton, honey, iron.