Essential Chemistry for IGCSE - Particles And Purification (Section 4 - No. 27)
Which of the following statements are TRUE about diffusion?
Diffusion occurs faster in gases than in liquids.
Diffusion is the result of the random movement of particles.
Heavier molecules diffuse more slowly.
Diffusion is only possible when the temperature is constant.
Explanation
Diffusion occurs due to random particle motion and is influenced by factors like the mass of the diffusing molecules and temperature, but not by constant temperature.
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