OCR Gateway GCSE Combined Science past papers
OCR Gateway GCSE Combined Science June 2023 Paper 9
- J250/09
- Higher
- 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.
- Higher: redox, strong and weak acids, electrode half equations
- Ionic and covalent bonding
- Purity, formulations and chromatography
- Diamond, graphite, graphene and fullerenes
- Electrolysis
What it tested
- Bonding and structure21 marks
- Chemical changes19 marks
- Chemical analysis9 marks
- Energy changes6 marks
- Quantitative chemistry3 marks
- Atomic structure and the periodic table2 marks
- Q1Purity, formulations and chromatography1 mark
- Q2Conservation of mass and relative formula mass1 mark
- Q3Tests for gases1 mark
- Q4Acids, salts and pH1 mark
- Q5States of matter and properties of substancesPolymers, giant structures, metals and alloys1 mark
- Q6Atoms, compounds, mixtures and the atomic model1 mark
- Q7Atoms, compounds, mixtures and the atomic model1 mark
- Q8Conservation of mass and relative formula mass1 mark
8 more questions
- Q9Higher: moles and balancing with molesAtomic size, relative mass and electron structure1 mark
- Q10Higher: limits of the particle model1 mark
- Q11Ionic and covalent bondingAtoms, compounds, mixtures and the atomic model12 marks
- Q12Purity, formulations and chromatography7 marks
- Q13Diamond, graphite, graphene and fullerenes7 marks
- Q14Electrolysis6 marks
- Q15Higher: redox, strong and weak acids, electrode half equationsConcentration of solutions12 marks
- Q16Higher: bond energy calculationsExothermic and endothermic reactions, reaction profiles6 marks
June 2023 Higher grade boundaries
Marks needed across all six Higher papers, out of 360.
- 9-9281
- 9-8268
- 8-8255
- 8-7242
- 7-7229
- 7-6211
- 6-6193
- 6-5176
- 5-5159
- 5-4142
- 4-4125
- 4-3117
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