Combined Science (B) J260,02 Foundation November 2020, OCR GCSE Past Papers with Mark Schemes

The exam paper covers fundamental topics in GCSE Chemistry, emphasizing atomic structure, the periodic table, and chemical bonding. It includes questions on water treatment processes, ionic compounds, environmental impacts of raw materials, and energy calculations in combustion. Other focal points include the separation of crude oil by fractional distillation, reaction rates, and chemical equations. Data interpretation and practical skills, such as conducting and analyzing experiments, are integral. These topics aim to assess theoretical knowledge and its application in real-world contexts, aligning with foundational chemistry education goals. Keywords: chemistry, atomic structure, water treatment, fractional distillation, reaction rates, energy calculations.