Acids, bases and the pH scale
Terms in this set (19)
A positive or negatively charged atom or molecule.
(H+) A positively charged hydrogen atom; makes a solution acidic.
(OH-) A negatively charge ion; makes a solution basic/alkaline.
A substance that produces excess hydrogen ions (H+) in solution. Edible ones taste sour.
A substance that produces excess hydroxide ions (OH-) in solution. Edible ones taste. Bitter/salty.
Another name for a base. (Detroit Tigers BASE-ball player...Al-Kaline).
A solution with equal number of hydrogen and hydroxyl ions.
A measure of acidity and alkalinity (base), range from 1-14. pH: The amount of Hydrogen ions in a solution.
Pure water with a pH of 7, Neutral; Has equal number of H+ and OH- ions.
Any chemical substance that changes color in the presence of an acid or base.
Red Litmus Paper
Solid strip indicator that turns BLUE in a BASE.
Blue Litmus Paper
Solid strip indicator that turns RED in an ACID.
A primitive plant-like organism that provides the chemicals used to make litmus paper.
(Bromothymol Blue): A liquid indicator that turns YELLOW in an ACID but does not change in a base.
A liquid indicator that turns YELLOW/ Orange in the presence of an acid;
Turns bright PINK (fuchsia) in the presence of a base.
The Universal Indicator
A solid indicator strip which can measure for 1-14 when it changes color. Provides a specific WHOLE NUMBER pH of a solution.
The most accurate and precise pH indicator used in our lab investigations. Measures in 0.5 pH values.
Purple Cabbage Indicator
A liquid indicator that turns GREEN in a BASE and RED in an ACID.
The clear liquid indicator that turned the "water into wine." Turns pink/fuchsia in a base.
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