Essential Chemistry for IGCSE - Particles And Purification (Section 8 - No. 33)
Which of the following statements describes diffusion?
The change of state from a solid to a liquid.
The movement of particles from a high to low concentration.
The process of heating a substance to its boiling point.
The change of state from liquid to solid.
Explanation
Diffusion is the movement of particles from high to low concentration.
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