Topic 3 - Chemical Changes Flashcards
1
Q
Acids in solution are a source of
A
Hydrogen ions(H+ ions). The higher the concentration of H+ ions, the lower the pH.
2
Q
Alkalis in solution are a source of
A
Hydroxide ions(OH- ions). The higher the conc of OH- ions, the higher the pH.
3
Q
Neutral, acidic and alkali solution pH
A
Neutral - 7
Acidic - <7
Alkali - >7
4
Q
A base is
A
A substance that reacts with an acid to make a salt and water
5
Q
Alkalis are
A
Bases that are soluble in water
6
Q
3.3
A
