Question

the smell of hot food reaches you several metres away give reason

Answer 1

hey!!mate here is your answer

because of diffusion of.gases .the smell.of hot food.reaches several metres away..as take a.example.of perfume bottle or unscented stick..
hope it will be helpful to you...

Answer 2

the particles of hot food have high kinetic energy as the particle get diffused in the air at a higher rate and so you can smell this food from a distance of several m.

hope this helps