CH-590
Diffusion
Chemistry · Secondary 3 · Medium · Diffusion
A beaker of perfume is opened in one corner of a room. After a few minutes, the smell is detected at the opposite corner.
Which statement best explains this observation?
Which statement best explains this observation?
- Perfume particles are attracted to the walls of the room.
- Perfume particles diffuse from a region of high concentration to low concentration.
- Air currents push only the lighter air particles across the room.
- Perfume particles move only when heated strongly.
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