Why the fragrance of a perfume spread all over on opening its container?
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Explanation:
Diffusion is driven by differences in concentration. When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. The particles of smelly gas are free to move quickly in all directions. ... Remember that the particles still move, even when the smell is evenly spread.
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Answer:
when any chemical spread in air in gaseous state like perfume is also one of chemical because of that the the perfume smell spread in all over the container
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