Question

Explain why when a bottle of perfume is open in a room we can smell it even from a considerable time

Answer 1

When we open a bottle of perfume in a room, we can smell it even from considerable distance. This is because, when the perfume is opened, that gas of the perfume moves from its areas of high concentration to its areas of low concentration. This process is called diffusion . So due to diffusion of molecules we can smell it