Diffusion in gases
1 mark · NormalWhich statement best describes diffusion in gases?
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Correct option: Particles move from a region of high concentration to low concentration.
Common mistakes: Selecting 'low to high concentration'; Selecting 'Particles remain completely still...'
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Marking points
B1 · 1 mark · Chooses the correct option: 'Particles move from a region of high concentration to low concentration.'
Worked solution
The correct answer is: Particles move from a region of high concentration to low concentration.