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What does pH measure?	How acidic or basic a solution is		chem-acids-bases
pH range of the common scale	0 to 14		chem-acids-bases
pH of a neutral solution	7		chem-acids-bases
Acids have a pH	Less than 7		chem-acids-bases
Bases have a pH	Greater than 7		chem-acids-bases
pH of pure water	7		chem-acids-bases
Taste of acids	Sour (never taste in lab)		chem-acids-bases
Feel of bases	Slippery (never touch unknown ones)		chem-acids-bases
Taste of bases	Bitter		chem-acids-bases
Litmus paper in acid	Turns red		chem-acids-bases
Litmus paper in base	Turns blue		chem-acids-bases
Phenolphthalein in base	Turns pink		chem-acids-bases
Universal indicator	Changes color across the pH scale		chem-acids-bases
Indicator	A substance that changes color to show acidity or basicity		chem-acids-bases
Neutralization	An acid and a base react to form water and a salt		chem-acids-bases
Salt (in chemistry)	An ionic compound made when an acid reacts with a base		chem-acids-bases
Lemon juice	An acid, pH about 2		chem-acids-bases
Vinegar	An acid, containing acetic acid		chem-acids-bases
Stomach acid	Hydrochloric acid, very strong		chem-acids-bases
Baking soda	A weak base		chem-acids-bases
Soap	A base; it feels slippery		chem-acids-bases
Ammonia cleaner	A base		chem-acids-bases
Bleach	A strong base, pH about 12 to 13; do not mix with other cleaners		chem-acids-bases
Milk	Nearly neutral, slightly acidic		chem-acids-bases
Black coffee	A weak acid		chem-acids-bases
Orange juice	An acid, pH about 3 to 4		chem-acids-bases
Antacid	A base that neutralizes extra stomach acid		chem-acids-bases
Citric acid	The acid in lemons and oranges		chem-acids-bases
Carbonic acid	A weak acid in fizzy drinks		chem-acids-bases
Sulfuric acid	A strong acid used in car batteries and industry		chem-acids-bases
Hydrochloric acid	A strong acid, formula HCl		chem-acids-bases
Sodium hydroxide	A strong base, formula NaOH, also called lye		chem-acids-bases
Each step on the pH scale	Is ten times stronger or weaker than the next		chem-acids-bases
Which is more acidic, pH 3 or pH 5?	pH 3, a hundred times more acidic		chem-acids-bases
Strong acid	An acid that breaks apart fully in water		chem-acids-bases
Weak acid	An acid that only partly breaks apart in water		chem-acids-bases
Alkaline	Another word for basic		chem-acids-bases
Corrosive	Able to eat away at materials		chem-acids-bases
Acid rain	Rain made acidic by pollution, with pH below about 5.6		chem-acids-bases
H+	The hydrogen ion that acids release in water		chem-acids-bases
OH-	The hydroxide ion that bases release in water		chem-acids-bases
Hydronium	H3O+, formed when an acid adds H+ to water		chem-acids-bases
Buffer	A solution that resists changes in pH		chem-acids-bases
Titration	Adding a solution of known strength drop by drop to find an unknown concentration		chem-acids-bases
pH of blood	About 7.4, slightly basic		chem-acids-bases
Red cabbage juice	A natural indicator that changes color with pH		chem-acids-bases
Mixing vinegar and baking soda makes	Carbon dioxide gas, which fizzes		chem-acids-bases
Do acids conduct electricity in water?	Yes, because they form ions		chem-acids-bases
Which acid is in ant stings?	Formic acid		chem-acids-bases
Which acid is in vinegar?	Acetic acid		chem-acids-bases
Which acid is in yogurt and sour milk?	Lactic acid		chem-acids-bases
Which acid is in our muscles after hard exercise?	Lactic acid		chem-acids-bases
Which scientist invented the pH scale in 1909?	Soren Sorensen		chem-acids-bases