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

Answer :

The following substances are arranged in the increasing order of densities:

Air < Exhaust from chimney < Cotton < Water < Honey < Chalk < Iron.

Solids have the most density than liquids and gases . Gases have the least density as compared to solids and liquids.

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