OCR Gateway GCSE Chemistry past papers
OCR Gateway GCSE Chemistry November 2020 Paper 4
- J248/04
- Higher
- Topics C4 to C6
- 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, 26 minutes, marked as you go. Free, no account.
- Higher: moles and balancing with moles
- Rates of reaction, collisions and catalysts
- Crude oil, alkanes, cracking and alkenes
- Life cycle assessment and recycling
- Acids, salts and pH
What it tested
- Quantitative chemistry23 marks
- Rates and equilibrium18 marks
- Organic chemistry15 marks
- Using resources9 marks
- Chemical changes8 marks
- The atmosphere8 marks
- Atomic structure and the periodic table5 marks
- Bonding and structure3 marks
- Q1Rates of reaction, collisions and catalysts1 mark
- Q2Conservation of mass and relative formula mass1 mark
- Q3Crude oil, alkanes, cracking and alkenesStates of matter and properties of substances1 mark
- Q4Crude oil, alkanes, cracking and alkenes1 mark
- Q5Polymers, giant structures, metals and alloys1 mark
- Q6Rates of reaction, collisions and catalysts1 mark
- Q7Polymers, giant structures, metals and alloys1 mark
- Q8Higher: moles and balancing with moles1 mark
15 more questions
- Q9Higher: equilibrium, concentration and temperatureRates of reaction, collisions and catalysts1 mark
- Q10Crude oil, alkanes, cracking and alkenes1 mark
- Q11Polymers, giant structures, metals and alloysCrude oil, alkanes, cracking and alkenes1 mark
- Q12Concentration of solutions1 mark
- Q13Rates of reaction, collisions and catalysts1 mark
- Q14Not in our course1 mark
- Q15Rates of reaction, collisions and catalysts1 mark
- Q16Life cycle assessment and recyclingPolymers, giant structures, metals and alloys9 marks
- Q17Higher: moles and balancing with molesAcids, salts and pH9 marks
- Q18Group 1 and Group 7Higher: redox, strong and weak acids, electrode half equations5 marks
- Q19Rates of reaction, collisions and catalysts13 marks
- Q20Crude oil, alkanes, cracking and alkenesAcids, salts and pH12 marks
- Q21Acids, salts and pHHigher: explaining concentration8 marks
- Q22Higher: moles and balancing with molesReactivity, extraction and reduction11 marks
- Q23Greenhouse gases, climate change and carbon footprints8 marks
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