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Science Chapter 7 Quiz
Vocabulary
19
Science
8th Grade
12/04/2010

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Term
Solution
Definition
Uniform mixture that contains a solvent and at least one solute
Term
Solvent
Definition
Part of a solution present in the largest amount
Term
Solute
Definition
Substance that is present in a solution in a smaller amount and is dissolved by the solvent
Term
Dilute solution
Definition
Solution with only a little solute dissolved in a certain amount of solvent
Term
Concentrated solution
Definition
Solution with a lot of solute dissolved in a certain amount of solution
Term
Solubility
Definition
Measure of how much solute can dissolve in a solvent at a given temperature
Term
Unsaturated solution
Definition
Solution where you can continue to dissolve more solute
Term
Saturated solution
Definition
Solution where you've added so much solute that no more can dissolve
Term
Supersaturated solution
Definition
A solution with more dissolved solute than is predicted by its solubility at a given temperature
Term
Acids
Definition
Compounds that
1)taste sour
2)react with metals and carbonates
3)turn blue litmus paper red
Term
Corrosive
Definition
wearing away
Term
Indicator
Definition
A compound that changes color when in contact with an acid or base (litmus paper)
Term
Bases
Definition
Compounds that
1)taste bitter
2)feel slippery
3)turn red litmus paper blue
Term
Hydrogen ion (H+)
Definition
An atom of hydrogen that has lost its electron
Term
Hydroxide ion (OH-)
Definition
A negative ion made of oxygen and hydrogen
Term
pH scale
Definition
A range of values from 0 to 14 that expresses the concentration of hydrogen ions in a solution
Term
Neutral
Definition
The pH is 7. The substance is neither acid nor base
Term
Neutralization
Definition
A reaction between an acid and a base
Term
Salt
Definition
Any ionic compound that can be made from the neutralization of an acid with a base
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