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4.7.3.1 Reactions of acids

4.7.3.2 Making salts

4.7.3.3 Energy changes and reactions

4.7.3.4 The pH scale and neutralisation

4.7.3.5 Strong and weak acids (HT only)

4.7.4.1 Factors that affect reaction rates

4.7.4.2 The effect of surface area on rates of reaction

4.7.4.3 The effect of temperature, concentration and pressure on rates of reaction

4.7.4.4 Activation energy

4.7.4.5 Bond breaking and bond forming (HT only)

4.7.4.6 Catalysts

4.7.4.7 Enzymes

4.7.4.8 Reversible reactions

4.7.4.9 Dynamic equilibrium

4.7.4.10 Factors affecting the position of equilibrium (HT only)

4.7.5.1 A reactivity series for metals

4.7.5.2 Electrolysis

4.7.5.3 Electrolysis of aqueous solutions

4.7.5.4 Tests for gases

4.7.5.5 Electron transfer reactions (HT only)

GCSE Exam GCSE Synergy Chemistry