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Grade 8 Ch L3

Science Explorer Chemical Interactions Ch 3

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
colloid a mixture with small, undissolved particles that do not settle out
concentrated solution a solution with a lot of solute dissolved in it
corrosive the way in which acids react with some metals so as to eat away at some metals
digestion the process that breaks down complex molecules of food into smaller molecules
dilute solution a solution with only a little solute dissolved in it
indicator a compound that changes color in the presence of an acid or a base
neutralization a reaction between an acid and a base yielding a solution that is not as acidic or basic as the starting solutions were
pH scale a range of values used to express the concentration of hydrogen ions in a solution
saturated solution a mixture that contains as much dissolved solute as possible at a given temperature
solubility a measure of how much solute can dissolve in a given solvent at a given temperature
solute the part of a solution present in the lesser amount and is dissolved by the solvent
Solution a well-mixed mixture containing a solvent and at least one solute that has the same properties throughout
solvent the part of a solution present in the largest amount and dissolves the solute
suspension a mixture in which particles can be seen and easily separated by settling or filtration
Created by: DawnSimpson