Question

smell of hot food reaches you at a distance.give reason

Answer 1

Heya mate,
Here's your answer
It is so bcoz while heating it's particles I. E molecules comes in exciting state and start mixing with air and then it flow due to kinetic energy. (diffusion)
Hope it helps you
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Answer 2

The smell of hot food reaches at a more distance because this process is called diffusion.
diffusion is the process by which inter mixing of one matter with another matter.

hope it helps you....