Skip to content
Try on iPad

Sustainability: OCR A‑Level Chemistry B questions

Every OCR A-Level Chemistry B exam question on CI Sustainability (specification points CI(k)), 2016–2025, with its mark scheme and examiner’s report.

Find questions2,049
Calculations

2,049 questions

  1. Q5(b)

    June 2023 · Paper 2

    4 marksCI Sustainability
    The whole paper ↗
    June 2023 Paper 2, question 5(b): The industrial manufacture of calcium carbide has benefits and disadvantages for modern society. From the article, suggest two benefits and two disadvantages. B

  2. Q5

    June 2018 · Paper 1

    1 markCI Sustainability
    The whole paper ↗
    June 2018 Paper 1, question 5: Which statement about a by-product of an industrial reaction is correct? A It is formed in the same reaction as the product. B It is formed when the reactants r

  3. Q36(d)

    June 2018 · Paper 1

    3 marksCI Sustainability
    The whole paper ↗
    June 2018 Paper 1, question 36(d): CH4(g) + H2O(g) Equation 36.1 Another source of hydrogen is from the reaction shown in equation 36.2. 2CO(g) + 2H2(g) ΔH = +247 kJ mol–1 CH4(g) + CO2(g) Equatio

  4. Q33(e)(ii)

    June 2017 · Paper 1

    1 markCI Sustainability
    The whole paper ↗
    June 2017 Paper 1, question 33(e)(ii): How is carbon monoxide described when it is formed alongside the required product (hydrogen)? [1]

  5. Q33(f)

    June 2017 · Paper 1

    2 marksCI Sustainability
    The whole paper ↗
    June 2017 Paper 1, question 33(f): The carbon monoxide can be used in the exothermic water gas shift reaction. H2(g) + CO2(g) ∆rH = – 41 kJ mol–1 CO(g) + H2O(g) The water gas shift reaction often
All 5 questions on Sustainability, as a list
  1. June 2023, Paper 2, Q5(b) (4 marks): The industrial manufacture of calcium carbide has benefits and disadvantages for modern society. From the article, suggest two benefits and two disadvantages. B
  2. June 2018, Paper 1, Q5 (1 mark): Which statement about a by-product of an industrial reaction is correct? A It is formed in the same reaction as the product. B It is formed when the reactants r
  3. June 2018, Paper 1, Q36(d) (3 marks): CH4(g) + H2O(g) Equation 36.1 Another source of hydrogen is from the reaction shown in equation 36.2. 2CO(g) + 2H2(g) ΔH = +247 kJ mol–1 CH4(g) + CO2(g) Equatio
  4. June 2017, Paper 1, Q33(e)(ii) (1 mark): How is carbon monoxide described when it is formed alongside the required product (hydrogen)? [1]
  5. June 2017, Paper 1, Q33(f) (2 marks): The carbon monoxide can be used in the exothermic water gas shift reaction. H2(g) + CO2(g) ∆rH = – 41 kJ mol–1 CO(g) + H2O(g) The water gas shift reaction often

Questions, mark schemes and examiner’s reports are © OCR, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Every OCR A-Level Chemistry B paper.

Rather write your answers by hand on iPad? Plumi marks them against the same mark schemes.