acids and bases Flashcards
1
Q
nitric acid formula
A
HNO3
2
Q
sulfuric acid
A
H2 SO4
3
Q
calcium carbonate formula
A
Ca CO3
4
Q
sodium hydroxide
A
NA OH
5
Q
acid def
A
solution that dissolves in water, releases H+ ions, pH below 7
6
Q
alkaline def
A
base that dissolves in water to form solution w/ pH above 7, releases OH- ions
7
Q
base def
A
substance with pH above 7
8
Q
indicator def
A
substance which shows change in color when in contact with acid/base
9
Q
litmus in neutral color
A
purple
10
Q
litmus in alkaline
A
blue
11
Q
methyl orange in acid
A
red
12
Q
methyl orange in neutral and alkaline
A
yellow
13
Q
phenolphthalein in acid and neutral
A
colorless
14
Q
phenolphthalein in alkaline
A
pink
15
Q
what does fully ionise mean
A
all acid molecules break up to form H+ ions
