What you’ll learn5 learning objectivesChoose one objective for a focused lesson, or study the complete topic.7.3.1Preparation, separation and• Describe preparation, separation and purification of soluble salts by reaction of an acid with: (a) an alkali by titration (b) excess metal (c) excess insoluble base (d) excess insoluble carbonateSyllabus objective7.3.2Salt solubility rules: soluble• Describe salt solubility rules: soluble sodium/potassium/ammonium salts and nitrates; chlorides except lead/silver; sulfates except barium/calcium/lead; insoluble carbonates except sodium/potassium/ammonium; insoluble hydroxides except sodium/potassium/ammonium/calcium (partial)Syllabus objective7.3.3Hydrated substance as a substance that• Define a hydrated substance as a substance that is chemically combined with water and an anhydrous substance as a substance containing no waterSyllabus objective7.3.4Preparation of insoluble salts by• Describe preparation of insoluble salts by precipitationSyllabus objective7.3.5Term water of crystallisation as the• Define the term water of crystallisation as the water molecules present in hydrated crystals, including CuSO4•5H2O and CoCl2•6H2OSyllabus objective