A colloid, also called a colloidal dispersion, is a two-phase heterogeneous mixture that is made up of a dispersed phase of tiny particles that are distributed evenly within a continuous phase. For example, homogenized milk is a colloid made up of tiny particles of liquid butterfat (the dispersed phase) suspended in water (the continuous phase). In comparison to true solutions, the continuous phase can be thought of as the solvent-like substance and the dispersed phase as the solute-like substance.
Each type of colloid has a name. A solid sol is one solid dispersed in another solid, such as colloidal ...
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