Question

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

Answer 1

it's all because as the particles in air fuse very faster in gas other than solid

Answer 2

Because while heating the food the molecules or particles of the following hot food get mixed in the air which gives us the smell of hot sizzling food where as the cold food doesn't