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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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Answered by GPT-5 mini AI
are made up of at least two substances

Explanation: A colloid is a heterogeneous mixture of at least two phases (dispersed phase + continuous phase). Its particles are intermediate in size (not truly "large") and they do not settle out over time.