What you’ll learn12 learning objectivesChoose one objective for a focused lesson, or study the complete topic.7.1.1Characteristic properties of acids in• Describe characteristic properties of acids in terms of their reactions with: (a) metals (b) bases (c) carbonatesSyllabus objective7.1.2Acids in terms of their effect on: (a)• Describe acids in terms of their effect on: (a) litmus (b) thymolphthalein (c) methyl orangeSyllabus objective7.1.3Bases are oxides or hydroxides of• State: bases are oxides or hydroxides of metals and that alkalis are soluble basesSyllabus objective7.1.4Characteristic properties of bases in• Describe characteristic properties of bases in terms of their reactions with: (a) acids (b) ammonium saltsSyllabus objective7.1.5Alkalis in terms of their effect on• Describe alkalis in terms of their effect on: (a) litmus (b) thymolphthalein (c) methyl orangeSyllabus objective7.1.6Aqueous solutions of acids contain H+• State: aqueous solutions of acids contain H+ ions and aqueous solutions of alkalis contain OH– ionsSyllabus objective7.1.7To compare hydrogen ion concentration• Describe how to compare hydrogen ion concentration, neutrality, relative acidity and relative alkalinity in terms of colour and pH using universal indicator paperSyllabus objective7.1.8Neutralisation reaction between an• Describe neutralisation reaction between an acid and an alkali to produce water, H+ (aq) + OH– (aq) → H2O (l)Syllabus objective7.1.9Acids as proton donors and bases as• Define acids as proton donors and bases as proton acceptorsSyllabus objective7.1.10Strong acid as an acid that is• Define a strong acid as an acid that is completely dissociated in aqueous solution and a weak acid as an acid that is partially dissociated in aqueous solutionSyllabus objective7.1.11Hydrochloric acid is a strong acid, as• State: hydrochloric acid is a strong acid, as shown by the symbol equation, HCl (aq) → H+(aq) + Cl –(aq)Syllabus objective7.1.12Ethanoic acid is a weak acid, as shown• State: ethanoic acid is a weak acid, as shown by the symbol equation, CH3COOH(aq) ⇌ H+(aq) + CH3COO–(aq)Syllabus objective