A characteristic of colloids is that they are made up of at least two substances. Colloids consist of a dispersion of one substance (the dispersed phase) in another (the continuous phase), but they are not homogeneous mixtures in the same manner as solutions because the dispersed particles are larger than those in true solutions. Colloids do not settle out over time and generally have dispersed particles that are 1 nanometer to 1 micrometer in size.
Which is a characteristic of colloids?
are homogeneous mixtures
have large dispersed particles
will settle out over time
are made up of at least two substances
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