Question

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

Answer 1

Answer:

because in the hot food the molecules are farther from each other than in the cold food ,so they can travel long distance

Explanation:

This is the first question of ch 1 of 9th standard is'nt it

Answer 2

Particles in the air, if fueled with higher temperatures, acquire high kinetic energy which aids them to move fast over a stretch. Hence the smell of hot sizzling food reaches a person even at a distance of several meters.