Question

the smell of hot sizzling food reaches you several metres away, but to get the smell of cold food you have to go close. why?​

Answer 1

The smell of hot sizzling food reaches to you several meters away but to take smell from cold food you have to go close because particles of hot sizzling food possess large kinetic energy and diffuse in air rapidly and reach several meters away whereas particles of cold food possess less kinetic energy and are not able ...

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Answer 2

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.