Combined ScienceCode 5129
Preparation of salts
What this topic asks you to be able to do
- Describe how soluble salts are made by letting an acid react with: (a) an excess of metal (b) an excess of insoluble base (c) an excess of insoluble carbonate
- Describe making an insoluble salt by precipitation (knowing which compounds dissolve is not required)
- Outline and account for the ways of separating and purifying substances by applying: (a) an appropriate solvent (b) filtration (c) crystallisation
- Outline the meaning of: (a) residue, a substance left over after evaporation, filtration or any comparable process (b) filtrate, a liquid or solution which has been passed through a filter