Mixtures and Solutions. Get seated. Get out notebooks and begin notes. Mixtures and Solutions. A mixture is a combination of two or more components that are NOT chemically combined, and retain their identities.
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of two or more components that
are NOT chemically combined,
and retain their identities.
Distillation – separates a mixture based on boiling points of the component.
crude oil into gasoline and kerosene
Magnet– separates iron from other objects.
Centrifuge – spins and separates according to densities.
Examples of solutions
Liquid - seawater
Gas - air
Solid - alloys
particles of substances separate and
spread evenly amongst each other.
Solutions can be classified as saturated or unsaturated or super-saturated.
A saturated solution contains the maximum quantity of solute that dissolves at that temperature.
An unsaturated solution contains less than the maximum amount of solute that can dissolve at a particular temperature
SUPERSATURATED SOLUTIONS contain more solute than is possible to be dissolved
Supersaturated solutions are unstable. The supersaturation is only temporary, and usually accomplished in one of two ways:
a material are dispersed through-
out a liquid or gas but are large
enough that they settle out.
“shake well before use”