Q 2. 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. The smell of hot sizzling food reaches you several metres away
The smell of hot sizzling food reaches us from several metres away, as the particles of hot have more kinetic energy than the cold food.
So, the rate of diffusion is more in hot food as compare to cold food.