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science
acid and bases
17
Science
8th Grade
01/04/2011

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Term
indicators
Definition
a compound that changes color in the presense of an acid or a base.
Term
hydrogen ion
Definition
an atom of hydrogen that has lost its electron
Term
hydroxide ion
Definition
a negative ion made of oxygen and hydrogen.
Term
neautralization
Definition
a reaction between an acid and a base
Term
pH scale
Definition
a range of values from 0 to 14.
Term
supersaturated
Definition
mmore dissolved solute than is predicted by its solubility at the given temperature.
Term
solute
Definition
substance that is present in a solution in a smaller amount and is dissolved by the solvent.
Term
unsaturated
Definition
continure to dissolve more solute
Term
saturated
Definition
when you've added so much solute that no more dissolves
Term
suspension
Definition
a mixture in which particles can be seen and easily seperated by settliing or filtration.
Term
solution
Definition
uniform mixture that contains a solvant and at least one solute.
Term
solvent
Definition
the part of a solution present in the largest amount.
Term
colloid
Definition
a mixture that contains small undissolved particles that do not settle out.
Term
dilute
Definition
little solute dissolved in a certain amount of solvant.
Term
concentrated
Definition
lot of solute dissolved in a certain amount of solvant
Term
litmus
Definition
a kind of dye derived from plants called lichens
Term
universal solvant
Definition
water
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