Fri April 22, 2011 By:

Is it true that solids do not show the property of diffusion? If yes, why does sugar and salt crystals diffuse in water?

Expert Reply
Sat April 23, 2011
If a solid is kept in contact with an excess of solvent in which it is soluble, some portion of the solid gets dissolved. We know that this process is known as dissolution of a solid in liquid and this process has taken place due to the diffusion of solid particles into liquid.
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