Question

1. 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

Order of incresing density

Air, Exhaust from chimneys, Cotton, Water, Honey, Chalk, Iron

I hope I am correct.

Thank You

Answer 2

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