Give a reason when a room freshener is sprayed in one corner of the room, it can be smelled in the opposite corner of the room.

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Solution

When a room freshener is sprayed in one corner of a room, then being gaseous the molecules travel quickly through the entire room, and the smell spreads throughout the room. This is due to diffusion.
Diffusion: It is the net passive movement of molecules or particles from regions of higher concentration to regions of lower concentration.
Example: The perfume of a flower that quickly permeates the still air of a room.

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