OCR GCSE (9-1) Chemistry A 'Gateway Science' (J248) revision

Acid Attack Chemical reactions ⏱️ 22 min Bonding Basics Elements, compounds and mixtures ⏱️ 20 min Carbon Chains Global challenges ⏱️ 22 min Chemistry PAG Review Practical skills (8 Practical Activity Groups — no additional taught content, PAGs cross-referenced against C1-C6) ⏱️ 22 min Gas Tests Gauntlet Predicting and identifying reactions and products ⏱️ 18 min Gas Volume Gauntlet Monitoring and controlling chemical reactions ⏱️ 20 min Inside the Atom Particles ⏱️ 19 min Life Cycle Lab Global challenges ⏱️ 20 min Mass Matters Chemical reactions ⏱️ 20 min Material Matters Global challenges ⏱️ 20 min The Balancing Act Monitoring and controlling chemical reactions ⏱️ 22 min The Chemical Detective Elements, compounds and mixtures ⏱️ 20 min The Nano World Elements, compounds and mixtures ⏱️ 20 min The Reactivity Race Predicting and identifying reactions and products ⏱️ 20 min The Transition Zone Predicting and identifying reactions and products ⏱️ 22 min