Question

Give reasons for the following observation: the smell of hot sizzling food reaches you several metre away, but to get to get the smell from cold food you have to go clothes

Answer 1

The smell of hot sizzling food reaches us several metres away because food particles diffuse faster in air when hot and we smell it no time whereas cold food particles would take a very long time to diffuse and we have to go close to have a smell of it.

Answer 2

because in hot food the kinetic energy of particles increases because of increasein temp so they move faster and reaches us