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Question
How does the fragrance of a perfume spread?
How does the fragrance of a perfume spread?
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Solution
Perfume is in liquid form when it is in a bottle. As soon as the bottle is opened, the liquid changes into vapour (gas). This vapour spreads around by the process of diffusion.
• This is the movement of molecules from a region of higher concentration to the region of lower concentration.
Perfume is in liquid form when it is in a bottle. As soon as the bottle is opened, the liquid changes into vapour (gas). This vapour spreads around by the process of diffusion.
• This is the movement of molecules from a region of higher concentration to the region of lower concentration.
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