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suspension is a mixture between two substances, one of which is
finely divided and dispersed in the other. Common suspensions
include sand in water, dust in air, and droplets of oil in air.
Particles in a suspension are larger than those in a solutions;
they are visible under a microscope and can often be seen with
the naked eye. Particles in a suspension will settle out if the
suspension is allowed to stand undisturbed. Many particles of a
suspension can be separated through a filter. An example of a
simple suspension would be flour in water, or sand in water.
The particles in a colloid can be solid, liquid or bubbles of
gas. The medium that they are suspended in can be a solid,
liquid or gas (al