What kind of mixture is a solution? a suspension? a colloid?

A solution is a homogeneous mixture.

A suspension is a heterogeneous mixture.

A colloidal mixture is a dispersion.

In order to be called a colloid, the dispersed particles must be between 1 nm and 1000 nm in size. If the size is less than 1 nm, the mixture is called a solution. If the size is greater than 1000 nm, the mixture is called a suspension.

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