There are two method in making a colloidal mixture, it is called Dispersion. It makes colloid from a rough suspension which are stability dispersed in a base liquid.
The example to make colloid is experiment using cornstarch, a mixture in which particles of any one type of matter are suspended in another type of material. The cornstarch particles are so small you may not be able to see, they are actually separate from the water unless you look at the mixture under a microscope.
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