Chemistry (A) J248,02 Foundation November 2021, OCR GCSE Past Papers with Mark Schemes

This final exam paper, GCSE Chemistry (Gateway Science) Foundation Tier Paper 2, emphasizes environmental chemistry, industrial processes, and chemical reactions. Topics include the formation and impact of acid rain, fractional distillation, Group 1 and transition metals, the Haber process, and combustion. It assesses knowledge of titrations, gas tests, and reaction rates. Data interpretation from graphs and tables is key, with a focus on sustainability, life-cycle assessments, and energy use in industrial processes. Practical and theoretical questions integrate scientific reasoning and calculations, including mass spectrometry, atom economy, and percentage yields.