Solids can often diffuse into a liquid, but a solid cannot diffuse into another solid. true false

True.

Explanation:

As the amount of temperature is directly measured by the energy contained in the substance. When the average kinetic energy increases the molecules of solids then diffuse into liquid waters and then form gas with the increase in this energy. But to diffuse into another solid the matter must have a surface that allows for the mixing to occur at higher temperature and pressure, which is mostly seen in liquids and gases.

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