1/20
Cyanide
2/20
Perchlorate
3/20
Chlorite
4/20
Dichromate
5/20
Carbonate
6/20
Dihydrogen Phosphate
7/20
Hydrogen Phosphate
8/20
Phosphate
9/20
Hydrogen Carbonate
10/20
Acetate
11/20
Chromate
12/20
Hydroxide
13/20
Permanganate
14/20
Nitrite
15/20
Nitrate
16/20
Chlorate
17/20
Sulfate
18/20
Ammonium
19/20
Hypochlorite