1453Every Day ScienceMedium
By which process does the smell of cooking spread to all the rooms in a house?
ADiffusion
BDisplacement
CDistillation
DDecomposition
Correct answer
A. Diffusion
Explanation
If someone is cooking in the kitchen, the smell travels around the house to other rooms. This is because of diffusion , the movement of particles from an area of high concentration to an area of low concentration.