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Question
Odour spreads from one room to another by the process of:
Odour spreads from one room to another by the process of:
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Solution
The correct option is B Diffusion
Odour spreads from one room to another by the process of diffusion. Diffusion is the net movement of molecules from a region of its high concentration to a region of its low concentration. In other words, it is the movement of a substance down a concentration gradient.
Diffusion
Odour spreads from one room to another by the process of diffusion. Diffusion is the net movement of molecules from a region of its high concentration to a region of its low concentration. In other words, it is the movement of a substance down a concentration gradient.
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