1
Q
Hydrogen carbonate
A
HCO²⁻ ₃.
2
Q
Nitrate
A
NO⁻ ₃.
3
Q
Sulphate
A
2−
SO
4.
4
Q
Hydrogen acetate/vinegar
A
C2H3O2. -
5
Q
Oxide
A
O2-
6
Q
Hydroxide
A
OH-
7
Q
Permanganate
A
MnO-
4
8
Q
Chlorate
A
ClO-
3
9
Q
Hypochlorite
A
ClO-
10
Q
Thiosulphate
A
S2O2-
3
11
Q
Peroxide
A
O2-
2
12
Q
Manganate
A
MnO2-
4
13
Q
Hydrogen phosphate
A
HPO2-
4
14
Q
Chromate
A
CrO2-
4
15
Q
Dichromate
A
Cr2O2-
7
16
Q
Oxalate
A
C2O2-
4
17
Q
Phosphate
A
PO3-
4
