Question

Q. Give reasons for the following observation:

The smell of hot sizzling food reaches you several meters away, but to get the smell from cold food you have to go close...?

Answer 1

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Evaporation is directly proportional to temperature, means hot food evaporates easily.

Diffusion of hot food vapors with air becomes very fast and can reach to a distant place within a very short time.

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Answer 2

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Particles in the air, if fueled with higher temperatures, acquire high kinetic energy which aids them to move fast over a stretch. Hence the smell of hot sizzling food reaches a person even at a distance of several meters.

Hope it Helps !!