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Combined Science A (Gateway) · OCR J250 · Chemistry Paper 10 · Higher · November 2020

OCR GCSE Combined Science A (Gateway) Chemistry Paper 10 Higher November 2020 mark scheme J250/10

1h 10m 60 marks

Practise the past exam questions by topic

Catalysts16 Qs Periodic table45 Qs Three states of matter46 Qs Potable water7 Qs +14 more
18 questions
  1. Q1 - 1 mark - Catalysts
  2. Q2 - 1 mark - The periodic table
  3. Q3 - 1 mark - The three states of matter
  4. Q4 - 1 mark - Potable water
  5. Q5 - 1 mark - The composition and evolution of the atmosphere
  6. Q6 - 1 mark - Amounts of substance in equations
  7. Q7 - 1 mark - Collision theory and activation energy
  8. Q8 - 1 mark - Factors affecting the rate of reaction
  9. Q9 - 1 mark - The composition and evolution of the atmosphere
  10. Q10 - 1 mark - Reactivity of metals
  11. Q11 - 5 marks - Cracking and alkenes, Crude oil, hydrocarbons and alkanes
  12. Q12 - 7 marks - Factors affecting the rate of reaction, Rate of reaction
  13. Q13 - 4 marks - Catalysts
  14. Q14 - 7 marks - Chemical bonds, The periodic table, The three states of matter
  15. Q15 - 9 marks - Atmospheric pollutants, Greenhouse gases and climate change
  16. Q16 - 6 marks - The effect of changing conditions on equilibrium
  17. Q17 - 4 marks - The three states of matter
  18. Q18 - 8 marks - Conservation of mass and balanced equations, Oxidation and reduction in terms of electrons, The periodic table