Question

Give reason the smell of hot sizzling food reaches you several metres away.but to get smell from cold food you need to come closer

Answer 1

Answer:

the reason behind this is in the hot food particles of air flow freely but in in cold food the particles of food get trapped with each other

Answer 2

When food is hot, diffusion is more. But in cold food diffusion is slow. Hence to get the smell from cold food we have to go close.