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1.6 Understanding Diffusion

Quiz by Tom Davies

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7 questions
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  • Q1
    Diffusion is the process by which substances move in and out of cells. Which statement about the diagram is correct?
    Question Image
    Particles move from the low concentration to the high concentration (left to right)
    Equal numbers of particles move from left to right as they do from right to left
    Particles move from the high concentration to the low concentration (right to left)
    No particles move
    30s
  • Q2
    Diffusion is the process by which substances move in and out of cells. Which statement about the diagram is correct?
    Particles move from the high concentration to the low concentration (right to left)
    Equal numbers of particles move from left to right as they do from right to left
    No particles move
    Particles move from the low concentration to the high concentration (left to right)
    30s
  • Q3
    30s
  • Q4
    30s
  • Q5
    30s
  • Q6
    30s
  • Q7
    Look at the diagram. What would happen to the two gases in the box if the separator was removed?
    Question Image
    The gases will mix immediately
    The heavy gas molecules would sink to the bottom and the light gas molecules will rise to the top
    The gases will mix in a few minutes
    The gases will stay where they are
    30s

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