| Term | Definition |
| Salts of Alkali Metals (Li, Na, K, Rb, Cs) | Soluble |
| Ammonium (NH4) Salts | Soluble |
| Nitrate (NO3) Salts | Soluble |
| Chlorate (ClO3) Salts | Soluble |
| Perchlorate (ClO4) Salts | Soluble |
| Acetate (C2H3O2) Salts | Soluble |
| Salts containing Cl, Br, and I | Soluble |
| Sulfate (SO4) Salts | Soluble |
| Hydroxide (OH) Salts | Insoluble EXCEPT for those containing alkali metals and Ca, Sr, and Ba |
| Carbonate (CO3) Salts | Insoluble EXCEPT for those containing alkali metals and ammonium |
| Phosphate (PO4) Salts | Insoluble EXCEPT for those containing alkali metals and ammonium |
| Sulfite (SO3) Salts | Insoluble EXCEPT for those containing alkali metals and ammonium |
| Chromate (CrO4) Salts | Insoluble EXCEPT for those containing alkali metals and ammonium |
| Sulfide (S) Salts | Insoluble EXCEPT for those containing alkali metals, alkaline earths, and ammonium |