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Separating Mixtures

TermDefinition
heterogeneous not identical throughout, not well mixed.
homogeneous identical properties throughout, well mixed. EX: Salt water.
straining separate matter by size, strainer has holes & matter smaller than holes passes through while those larger than the holes stay in strainer.
filter paper A kind of strainer, it separates tiny pieces of solids from liquids.
using a magnet separates iron parts from mixture.
evaporation change of liquid to gas at surface of the liquid, best used for homogenous mixture.
dissolving when a solid matter disappear into a liquid.
solution special mixture where the particles of one substance are evenly mixed with the particles of another substance.
solutions have 2 main traits particles are too small to see, molecule (groups of atoms) size.
liquid solutions formed when solids, liquids, and gasses dissolve in liquids. All solutions are not liquids .air is a solution of gases .Steel is a solution of metals known as alloys.
alloys when two pure metals or more are mixed together.
Solutes substances that is being dissolving in water. Ex: Salt, Sugar.
solvent substance that does the dissolving Ex: Water
solubility maximum amount of substance that will dissolve in a given quantity of a solvent at a given tempature.
insoluble not able to dissolve in water
chemical makeup solvent can determine solubility or insolubility of a substance.
water molecules are polar, which has one end of a positive charge and the other a negative charge. it is the universal solvent because many solutes dissolve in it.
dilute and concentrated describe relative amounts of solute and solvents in a solution.
dilute solution has very little solute compared to solvent, it is a weak solution.
concentrated solution has a large amount of solute compared to solvent, it is a strong solution.
unsaturated contain less dissolved solute than it can hold at a given temp.
saturated contains all of the solute it can hold at a given temp.
Created by: rudolph.beukes
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