The process of adding a solid to a liquid to make a mixture is called Dispersion. The mixture can be a solution or a suspension.
For the mixture to be totally in a state of equilibrium, the mixture has to be a solution, which means that the solid particles have fully dissolved in the liquid, otherwise known as a solvent.
Dispersions could result in different mixtures which are named according to how they appear. An example is a suspension, which appears to be partly dissolved in the liquid to form a semi-solid mixture.
Dispersions could also result in emulsions and colloids, all of which have large particles and are non-crystalline in nature.
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