OCR Gateway GCSE Chemistry past papers
OCR Gateway GCSE Chemistry November 2021 Paper 4
- J248/04
- Higher
- Topics C4 to C6
- 1 hour 45 minutes
- 90 marks
Question paper, Mark scheme: on the OCR website.
Practise this paper's topics
5 new exam questions, 33 minutes, marked as you go. Free, no account.
- Rates of reaction, collisions and catalysts
- Group 1 and Group 7
- Conservation of mass and relative formula mass
- Higher: moles and balancing with moles
- Polymers, giant structures, metals and alloys
What it tested
- Quantitative chemistry21 marks
- Rates and equilibrium16 marks
- Atomic structure and the periodic table12 marks
- Bonding and structure11 marks
- Using resources9 marks
- Organic chemistry9 marks
- Chemical changes2 marks
- The atmosphere1 marks
- Q1States of matter and properties of substancesCrude oil, alkanes, cracking and alkenes1 mark
- Q2Rates of reaction, collisions and catalysts1 mark
- Q3The atmosphere, then and now1 mark
- Q4Reversible reactions and equilibrium1 mark
- Q5Not in our course1 mark
- Q6Higher: redox, strong and weak acids, electrode half equations1 mark
- Q7Higher: explaining concentrationConcentration of solutions1 mark
- Q8Not in our course1 mark
15 more questions
- Q9Higher: ionic equations and half equations1 mark
- Q10Higher: phytomining and bioleaching1 mark
- Q11Rates of reaction, collisions and catalysts1 mark
- Q12Polymers, giant structures, metals and alloys1 mark
- Q13Rates of reaction, collisions and catalystsReversible reactions and equilibrium1 mark
- Q14Not in our course1 mark
- Q15Reactivity, extraction and reductionHigher: redox, strong and weak acids, electrode half equations1 mark
- Q16Conservation of mass and relative formula massAtmospheric pollutants10 marks
- Q17Life cycle assessment and recyclingGreenhouse gases, climate change and carbon footprints8 marks
- Q18Rates of reaction, collisions and catalystsHigher: tangents and rates in mol/s12 marks
- Q19Group 1 and Group 7Higher: moles and balancing with moles11 marks
- Q20Crude oil, alkanes, cracking and alkenes9 marks
- Q21Polymers, giant structures, metals and alloys9 marks
- Q22Higher: moles and balancing with molesHigher: equilibrium, concentration and temperature10 marks
- Q23Not in our course6 marks
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