GCSE Chemistry – AQA Practical Skills GCSE AQA Chemistry Practical SkillsPractical Skills – AQA Chemistry GCSERP 1 – Making SaltsRP 2 – Neutralisation (FT)RP 2 – Neutralisation (HT)RP 3 – ElectrolysisRP 4 – Temperature ChangesRP 5 – Rate of ReactionRP 6 – ChromatographyRP 7 – Identifying IonsRP 8 – Water Purification