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

We know that, 

Density of solid > Density of liquid > Density of gas. 

 

Hence, the order of densities is as follows 

Iron > Chalk > Honey > Water > Exhaust from chimneys > Air 

  1. Class 9
  2. Chapter 1 Class 9 - Matter In Our Surroundings

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.