Acids And Bases Flashcards
An acid is a compound that dissolves in water to form a solution with a pH of what? Do they have more hydrogen ions or hydroxide ions?
Lower than 7 (H+) (OH-)
A base is a compound that dissolves in water to form a solution with a pH of what? Do they have more hydrogen ions or hydroxide ions?
Higher than 7 (OH+) (H)
A pH of 7 means what?
That a solution is neutral—it’s neither an acid nor a base
Left is what? What number?
Acid. 0
Right is what? What number?
Base. 14
pH of 0
Battery acid
pH of 1
Stomach acid
pH of 2
Vinegar
pH of 3
Orange juice
pH of 4
Tomato
pH of 5
Black coffee
pH of 6
Urine
pH of 7
Water
pH of 8
Sea water
pH of 9
Baking soda
pH of 10
Ingestion tablet
pH of 11
Ammonia solution
pH of 12
Soapy water
pH of 13
Bleach
pH of 14
Drain cleaner
What is the pH number of a solution?
Indicates its acidity. It is a measure of the concentration of hydrogen ions in a solution.
What colour does blue litmus paper turn in an acid?
Red
What colour does red litmus paper turn in a base?
Blue
An antacid is a mild base that reacts with the acid in your stomach. What is this process called?
It is to neutralize it.
What is neutralization?
A reaction that produces water and a compound called a salt. can be produced by combining hydrochloric acid with sodium hydroxide
solution, a base.
Atmospheric acids eventually fall as what?
Acid rain
