Question

Q. 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 , iron.

Answer 1

Answer. :

Air, Exhaust from chimney, cotton, water, honey, chalk, iron

Answer 2

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