Combined Science (A) J250,09 Higher November 2021, OCR GCSE Past Papers with Mark Schemes
OCR
GCSE
Comined Sciences (J250)
Nov
2021
The OCR GCSE Combined Science A J250/09 November 2021 paper covers Chemistry topics, including atomic structure, chromatography, energy changes, and bonding. Section A features multiple-choice questions on ionic bonding, chromatography techniques, and redox reactions. Section B includes extended responses on endothermic reactions, Rutherford’s atomic model, properties of solder, and boron nitride structures. Key skills assessed involve data interpretation, chemical calculations, and understanding of molecular properties and reactions. Total marks: 60. Duration: 1 hour 10 minutes.
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