Respuesta :
Answer:
Colloids are defined as a mixture where particles are dispersed in another substance.
Explanation:
eg.) dust in the air, milk, smoke, hairspray
The dispersed particles of a colloid are intermediate in size between those of a solution and a suspension. Colloids are distinguishable from solutions because of the light scattering phenomenon called the Tyndall effect. Gels, aerosols, foams, and emulsions are some classes of colloids.