OCR Gateway GCSE Chemistry past papers
OCR Gateway GCSE Chemistry June 2018 Paper 3
- J248/03
- Higher
- Topics C1 to C3
- 1 hour 45 minutes
- 90 marks
Question paper, Mark scheme, Examiner report: on the OCR website.
Practise this paper's topics
5 new exam questions, 32 minutes, marked as you go. Free, no account.
- States of matter and properties of substances
- Acids, salts and pH
- Atomic size, relative mass and electron structure
- Atoms, compounds, mixtures and the atomic model
- Higher: moles and balancing with moles
What it tested
- Bonding and structure24 marks
- Chemical changes21 marks
- Atomic structure and the periodic table21 marks
- Quantitative chemistry13 marks
- Energy changes7 marks
- Chemical analysis2 marks
- Q1Acids, salts and pH1 mark
- Q2Acids, salts and pHHigher: ionic equations and half equations1 mark
- Q3Not in our course1 mark
- Q4States of matter and properties of substancesIonic and covalent bonding1 mark
- Q5Higher: redox, strong and weak acids, electrode half equations1 mark
- Q6Ionic and covalent bonding1 mark
- Q7Purity, formulations and chromatography1 mark
- Q8Purity, formulations and chromatography1 mark
18 more questions
- Q9Exothermic and endothermic reactions, reaction profiles1 mark
- Q10Higher: explaining concentration1 mark
- Q11Reactivity, extraction and reductionConservation of mass and relative formula mass1 mark
- Q12Higher: redox, strong and weak acids, electrode half equationsReactivity, extraction and reduction1 mark
- Q13Atoms, compounds, mixtures and the atomic model1 mark
- Q14Not in our course1 mark
- Q15States of matter and properties of substancesIonic and covalent bonding1 mark
- Q16States of matter and properties of substancesConservation of mass and relative formula mass9 marks
- Q17Acids, salts and pH9 marks
- Q18States of matter and properties of substancesCrude oil, alkanes, cracking and alkenes6 marks
- Q19Atomic size, relative mass and electron structureIonic and covalent bonding10 marks
- Q20Atoms, compounds, mixtures and the atomic modelPurity, formulations and chromatography7 marks
- Q21Exothermic and endothermic reactions, reaction profilesHigher: bond energy calculations6 marks
- Q22Higher: limiting reactantsHigher: moles and balancing with moles4 marks
- Q23The periodic table, metals and noble gases3 marks
- Q24ElectrolysisHigher: redox, strong and weak acids, electrode half equations7 marks
- Q25Ionic and covalent bondingStates of matter and properties of substances6 marks
- Q26Higher: moles and balancing with moles8 marks
June 2018 Higher grade boundaries
Marks needed across both Higher papers, out of 180.
- Grade 9145
- Grade 8129
- Grade 7114
- Grade 696
- Grade 578
- Grade 460
- Grade 342
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