Chemistry (B) J258,03 Higher June 2018, OCR GCSE Past Papers with Mark Schemes
OCR
GCSE
Chemistry B (J258)
Jun
2018
The exam paper encompasses key topics in GCSE Chemistry, including reaction rates, thermal decomposition of carbonates, polymer properties, and oxygen evolution in Earth′s atmosphere. It covers halogen reactivity, applications of nanoparticles, dynamic equilibria, and metal extraction. Electrolysis processes, titration calculations, and energy changes in reactions are assessed. Practical skills, analytical problem-solving, and conceptual understanding are emphasized.
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