OCR Gateway GCSE Combined Science past papers
OCR Gateway GCSE Combined Science June 2023 Paper 3
- J250/03
- Foundation
- Chemistry 1
- 1 hour 10 minutes
- 60 marks
Question paper, Mark scheme, Examiner report: on the OCR website.
Practise this paper's topics
5 new exam questions, 28 minutes, marked as you go. Free, no account.
- Exothermic and endothermic reactions, reaction profiles
- Ionic and covalent bonding
- Electrolysis
- States of matter and properties of substances
- Atoms, compounds, mixtures and the atomic model
What it tested
- Bonding and structure23 marks
- Energy changes14 marks
- Chemical changes11 marks
- Atomic structure and the periodic table8 marks
- Chemical analysis2 marks
- Quantitative chemistry2 marks
- Q1Atoms, compounds, mixtures and the atomic model1 mark
- Q2The periodic table, metals and noble gases1 mark
- Q3Acids, salts and pH1 mark
- Q4States of matter and properties of substances1 mark
- Q5Ionic and covalent bonding1 mark
- Q6Purity, formulations and chromatography1 mark
- Q7Conservation of mass and relative formula mass1 mark
- Q8Ionic and covalent bonding1 mark
7 more questions
- Q9Purity, formulations and chromatography1 mark
- Q10Conservation of mass and relative formula mass1 mark
- Q11States of matter and properties of substancesIonic and covalent bonding8 marks
- Q12Electrolysis10 marks
- Q13Atoms, compounds, mixtures and the atomic model6 marks
- Q14Exothermic and endothermic reactions, reaction profilesAcids, salts and pH14 marks
- Q15Ionic and covalent bondingAtoms, compounds, mixtures and the atomic model12 marks
June 2023 Foundation grade boundaries
Marks needed across all six Foundation papers, out of 360.
- 5-5210
- 5-4192
- 4-4175
- 4-3153
- 3-3131
- 3-2109
- 2-288
- 2-167
- 1-146
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