Chemistry (B) J258,02 Foundation June 2022, OCR GCSE Past Papers with Mark Schemes

The OCR GCSE Chemistry B (Twenty First Century Science) Depth in Chemistry (Foundation Tier) paper from June 2022 explores advanced topics such as ionic bonding, solubility, and reaction mechanisms. It covers fuel cells, electrolysis, carbon dioxide emissions, and metal extraction. Practical assessments involve titration, precipitation reactions, and thermal decomposition. Analytical skills are tested through data interpretation, stoichiometry, and percentage yield calculations. The paper emphasizes sustainability, the environmental impact of chemical processes, and industrial applications like ammonia synthesis and hydrogen fuel use. Problem-solving and scientific reasoning are integrated across experimental and theoretical contexts.