Combined Science (B) J260,06 Higher November 2021, OCR GCSE Past Papers with Mark Schemes
OCR
GCSE
Combined Sciences (J260)
Nov
2021
This chemistry exam paper explores atmospheric evolution, nanoparticle properties, periodic trends, reaction rates, and greenhouse effects. It examines ionic bonding, electrolysis, titration, and energy changes in reactions. Practical applications include biological metal extraction, acid-base titration, and experimental setups for gas collection and reaction rates. Questions assess problem-solving, data analysis, and scientific explanations, emphasizing real-world contexts like climate impact and material properties. Total marks: 95.
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