Essential Chemistry for IGCSE - Particles And Purification (Section 4 - No. 32)
Which of the following statements are true regarding diffusion?
It occurs in liquids and gases.
It is caused by the random motion of particles.
It happens faster at lower temperatures.
It occurs from high to low concentration.
Explanation
Diffusion takes place due to random particle movement from high to low concentration, and the rate increases with temperature.
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