Question

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

Answer 1

The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close because the kinetic energy of the particles of matter increases with the increase in temperature.

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Answer 2

Answer:

Diffusion

Explanation:

Due to the process of diffusion an object or food can smell.

As the particles of food diffuses through the air and reaches our nose.

And so, we are able to smell food items.

Now, since,

speed of diffusion depends on the temperature

therefore, as the temperature is increased the speed of diffusion increases and we are about to smell food several metres away

but when the temperature is decreased then speed of diffusion decreases and we have to go close to it.