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

Arranged in increasing order of density:

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

Answer 2

ANS:-

AIR< EXHAUST FROM CHIMNEYS< COTTON< WATER< HONEY< CHALK< IRON.

Note:- Solids have highest densities, liquids have density less then solids and gases have weakest densities.