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science quiz
to mess stuff up
13
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8th Grade
04/06/2009

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Term
Pure substance
Definition
matter that has deifinite chemical and physical properties
made up of only one kind
is the same throughout all the particles are exactly the same
if there is more than 2 elements, the atoms are chemically combine
ex. water, carbon dioxide oxygenn carbon salt copper sulfate
Term
Mixture
Definition
matter that contains more than one substance that differ in physical and chemical properties
easily seperated
each substance has it own specific properties
not chemically combined
Term
Heterogeneous Mixtures
Definition
substances in which components arent evenly mixed
Term
Homogeneous Mixtures
Definition
substances in which substanes are evenly mixed
Term
Soluble
Definition
dissolvable
a substance is to be soluable if it dissolves in another substance
Term
insoluble
Definition
it is insoluable if it does not dissolve in another substance
Term
Solvent
Definition
the sunstance in the solution that does the dissoling
the substance in the solution that there is more
Term
Solute
Definition
the substance that gets dissolved by the solvent
the substance that there is less of
Term
Solution
Definition
a homegeneous mixture of a solvent and a solute
the solute is finely divided and evenly dispersed through out the solvent
it is uniform through out
Term
Dissolve
Definition
when a substance dissolves in another substance the particles of the solute spread out evenly through out the solvent and a solution is formed
the solid solute does not become a liquid
Term
Solubility
Definition
the mass (amont) of solute dissolved in a given volume of solvent solubillity is measured in grams of solute per volume of solvent
Term
Saturated Solution
Definition
this is a solution in which the solvent cant be dissolved anymore
Term
Filtration (filtering)
Definition
its where filters pure the solvent
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