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Which of the following property of air does not increase with rise in temperature?

Air density and temperature are inversely proportional to each other — lower temperatures lead to higher density, and higher temperatures to lower density. Hence density of air does not increase with rise in temperature.

Like other materials, warm air is less dense than cool air. Since warmer molecules have more energy, they are more active. The molecules bounce off each other and spread apart. Another factor that affects the density of air is altitude.