SC-383
Diffusion
Lower Sec Science · Secondary 1 · Medium · Diffusion
A bottle of perfume is opened at one corner of a room. After a while, a student at the opposite corner can smell it. Which statement best explains this observation using diffusion?
- Perfume particles are blown across the room by gravity.
- Perfume particles move randomly, spreading from a region of high concentration to low concentration.
- Air particles carry the perfume only upwards.
- Perfume particles are all attracted to the student's nose.
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