Chemistry (B) J258,02 Foundation November 2020, OCR GCSE Past Papers with Mark Schemes

The OCR GCSE Chemistry B (Twenty First Century Science) Depth in Chemistry (Foundation Tier) paper from November 2020 focuses on advanced topics such as covalent bonding, ionic structures, and hydrocarbons. Practical applications include electrolysis, rate of reaction experiments, and the Haber process. Key concepts assessed include stoichiometry, environmental impacts of sulfur dioxide, and sustainability practices like recycling PET bottles. Analytical skills are tested through graph plotting, data interpretation, and balancing equations. The paper integrates theoretical and experimental knowledge, emphasizing chemical processes, energy changes, and the life cycle of materials.