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23 Cards in this Set

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solution
A well-mixed mixture that contains a solvent and at least one solute
Solute
the substance present in a solution in a smaller amount
Solvent
the part of a solution present in the largest amount
colloid
A mixture containing small, undissolved particles that do not settle out.
suspension
A mixture in which particles can be seen and easily separated by settling or filtration.
Dilute solution
A mixture that has only a little solute dissolved in a certain amount of solvent
Concentrated Solution
A mixture that has a lot of solute dissolved in a certain amount of solvent
solubility
A measure of how much solute can dissolve in a solvent at a given temperature
Saturated solution
when so much solute has been added that no more can dissolve
Unsaturated solution
when more solute can be dissolved in a solution
Supersaturated solution
a solution that has more solute dissolved that is predicted by its solubility at the given temperature
Acid
a substance that tastes sour, reacts with metals and carbonates, and turns blue litmus paper red
Base
a substance that tastes bitter, feels slippery, and turns red litmus paper blue
Corrosive
a property of matter where the substance 'eats away' at other materials
Indicator
a compound that changes color when in contact with an acid or base
Hydrogen Ion
a positively charged ion formed of a hydrogen atom that has lost its electron. (makes a solution acidic)
Hydroxide Ion
A negatively charged ion made of oxygen and hydrogen (makes a solution basic)
pH scale
a range of values from 0 to 14 that expresses the concentration of hydrogen ions in solution
Neutralization
A reaction between an acid and a base that yields a solution that is not as acidic or basic as the starting solutions were.
Salt
An ionic compound made from the neutralization of an acid with a base
Digestion
process of breaking down the complex molecules of foods into smaller molecules
Mechanical digestion
physical process in which large pieces of food are torn and ground into smaller pieces
Chemical digestion
the process of breaking down large molecules in food into smaller molecules using chemical reactions