Question

The smell of perfume spreads very quickly from one corner of the room to the other. Why ?

Answer 1

because the diffusion in air is faster

Answer 2

This happenes due to the process called diffusion.The spontaneous intermixing of one substance to other is called diffusion. It takes place in all 3 states of matter.Here the smell of perfume is mixed with gas and spreads very quickly to other corner.

Hope this helps you my friend