OCR Gateway GCSE Combined Science past papers
OCR Gateway GCSE Combined Science November 2020 Paper 10
- J250/10
- Higher
- Chemistry 2
- 1 hour 10 minutes
- 60 marks
Question paper, Mark scheme: on the OCR website.
Practise this paper's topics
5 new exam questions, 27 minutes, marked as you go. Free, no account.
- Group 1 and Group 7
- Rates of reaction, collisions and catalysts
- Greenhouse gases, climate change and carbon footprints
- Higher: equilibrium, concentration and temperature
- Crude oil, alkanes, cracking and alkenes
What it tested
- Rates and equilibrium20 marks
- Atomic structure and the periodic table16 marks
- The atmosphere11 marks
- Bonding and structure5 marks
- Organic chemistry5 marks
- Chemical changes2 marks
- Using resources1 marks
- Q1Rates of reaction, collisions and catalysts1 mark
- Q2The periodic table, metals and noble gases1 mark
- Q3States of matter and properties of substances1 mark
- Q4Resources, potable water and waste water1 mark
- Q5The atmosphere, then and now1 mark
- Q6Reactivity, extraction and reduction1 mark
- Q7Rates of reaction, collisions and catalysts1 mark
- Q8Rates of reaction, collisions and catalysts1 mark
10 more questions
- Q9The atmosphere, then and now1 mark
- Q10Reactivity, extraction and reductionThe periodic table, metals and noble gases1 mark
- Q11Crude oil, alkanes, cracking and alkenes5 marks
- Q12Rates of reaction, collisions and catalysts7 marks
- Q13Rates of reaction, collisions and catalystsTests for gases4 marks
- Q14Group 1 and Group 7Metallic bonding7 marks
- Q15Greenhouse gases, climate change and carbon footprintsAtmospheric pollutants9 marks
- Q16Higher: equilibrium, concentration and temperatureHigher: equilibrium and pressure6 marks
- Q17States of matter and properties of substancesCrude oil, alkanes, cracking and alkenes4 marks
- Q18Group 1 and Group 7Higher: ionic equations and half equations8 marks
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