8. A purple pill is placed in a beaker of water. The beaker is left for several hours.
The diagram shows the appearance of the water when the pill is added and several hours later.
several
hours
water
pale purple
solution
purple
pill
Which statement explains why this change occurs?
A Diffusion occurs because the pill is coloured.
B Diffusion occurs faster at higher temperatures.
C Diffusion occurs from an area of high concentration to one of lower concentration
D Gases diffuse faster than liquids
I
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Answer:
statement C is correct
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