Chemistry (B) J258,04 Higher June 2022, OCR GCSE Past Papers with Mark Schemes

This exam paper addresses advanced GCSE Chemistry topics, including molecular structures, properties of polymers, and nanoparticle applications. It explores ammonia production via the Haber process, carbon dioxide trends, and alkane properties within homologous series. Methods of metal extraction, particle behavior in phase changes, and ionic versus covalent bonding are tested. Practical experiments focus on solubility, precipitation reactions, and the functionality of hydrogen fuel cells. Analytical skills, critical evaluation, and understanding of chemical processes are emphasized.