OCR Gateway GCSE Combined Science past papers
OCR Gateway GCSE Combined Science June 2025 Paper 3
- J250/03
- Foundation
- Chemistry 1
- 1 hour 10 minutes
- 60 marks
Question paper, Mark scheme: on the OCR website.
Practise this paper's topics
5 new exam questions, 28 minutes, marked as you go. Free, no account.
- Atoms, compounds, mixtures and the atomic model
- Ionic and covalent bonding
- Acids, salts and pH
- Exothermic and endothermic reactions, reaction profiles
- The periodic table, metals and noble gases
What it tested
- Atomic structure and the periodic table20 marks
- Bonding and structure17 marks
- Chemical changes14 marks
- Energy changes5 marks
- Quantitative chemistry2 marks
- Chemical analysis2 marks
- Q1States of matter and properties of substances1 mark
- Q2Conservation of mass and relative formula mass1 mark
- Q3Atoms, compounds, mixtures and the atomic model1 mark
- Q4Conservation of mass and relative formula mass1 mark
- Q5Reactivity, extraction and reduction1 mark
- Q6Purity, formulations and chromatography1 mark
- Q7Acids, salts and pH1 mark
- Q8States of matter and properties of substances1 mark
7 more questions
- Q9Purity, formulations and chromatography1 mark
- Q10Atoms, compounds, mixtures and the atomic model1 mark
- Q11The periodic table, metals and noble gasesPolymers, giant structures, metals and alloys5 marks
- Q12Exothermic and endothermic reactions, reaction profiles5 marks
- Q13Ionic and covalent bondingElectrolysis15 marks
- Q14Atoms, compounds, mixtures and the atomic modelIonic and covalent bonding13 marks
- Q15Acids, salts and pHAtoms, compounds, mixtures and the atomic model12 marks
June 2025 Foundation grade boundaries
Marks needed across all six Foundation papers, out of 360.
- 5-5212
- 5-4194
- 4-4176
- 4-3155
- 3-3134
- 3-2113
- 2-292
- 2-171
- 1-150
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