Chemistry (B) J258,01 Foundation November 2020, OCR GCSE Past Papers with Mark Schemes

The OCR GCSE Chemistry B (Twenty First Century Science) Breadth in Chemistry (Foundation Tier) paper from November 2020 evaluates core chemical concepts including polymerisation, greenhouse effect, and periodic trends. Topics cover practical applications such as electrolysis, rust prevention, and energy efficiency in metal extraction. Data interpretation, sustainability in industrial processes, and stoichiometry are emphasized. Experimental design is assessed through titrations, flame tests, and reaction rate investigations. The paper highlights real-world implications of chemical principles, focusing on problem-solving, analytical skills, and environmental impact mitigation.