Multiple choice Diffusion in liquids is slower than in gases because the liquids do not have free spaces at all the particles in gases move slowly as compared to the particles in liquids the particles in gases do not diffuse at all the particles in liquids move slowly as compared to the particles in gases None of these Reveal answer Fill a bubble to check yourself D Correct answer Explanation This is the correct option. Diffusion in liquids is slower than in gases because the particles in liquids move slowly as compared to the particles in gases.