Combined Science (B) J260,02 Foundation November 2021, OCR GCSE Past Papers with Mark Schemes

The exam focuses on foundational GCSE Chemistry topics, including Mendeleev′s Periodic Table, atomic structure, and hydrocarbon processing. It assesses knowledge of chemical bonding, nanoparticle applications, and reaction kinetics. Practical skills, such as interpreting data and performing titrations, are emphasized. Environmental themes include the evolution of Earth’s atmosphere and sustainable use of finite resources. Keywords: atomic structure, hydrocarbon processing, chemical bonding, reaction kinetics, nanoparticle properties, titration, atmospheric composition, sustainable chemistry.