Question

The smell of hot sizzling food reach several metres away

Answer 1

Answer: The smell of hot sizzling foodreaches you several metres away, but to getthe 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

When molecules of some volatile substances from hot sizzling food diffuse into air and reach the odur sensitive part of our nose we have the perception of smell.

At higher temperature of molecules diffuse into air at a faster rate and therefore travel long distances.

Hence the smell of hot sizzling food reaches as quickly even when we are several metres away.

While on the contrary , when the food is called the vapour diffuse is at a slower rate and therefore does not travel longer distances.

So, one has to come closer to have the perception of smell.