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Crude oil and hydrocarbons: Edexcel GCSE Chemistry questions

Every Edexcel GCSE Chemistry exam question on Crude oil and hydrocarbons (specification points 8.1–8.6), 2018–2025, with its mark scheme and examiner’s report.

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1,880 questions

  1. Q3(a)(i)

    June 2025 · Paper 2 Higher

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2025 Paper 2 Higher, question 3(a)(i): The majority of hydrocarbons in crude oil belong to one homologous series. Give the name of this series. (1)

  2. Q3(a)(ii)

    June 2025 · Paper 2 Higher

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2025 Paper 2 Higher, question 3(a)(ii): Which structure represents a molecule of a hydrocarbon? (1) H A H C Cl H H H B C C H H H H H C H C C C O H H H H H H H H D H C C C C Br H H H H

  3. Q9(a)(ii)

    June 2025 · Paper 2 Foundation

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2025 Paper 2 Foundation, question 9(a)(ii): Which structure represents a molecule of a hydrocarbon? (1) H A H C Cl H H H B C C H H H H H C H C C C O H H H H H H H H D H C C C C Br H H H H

  4. Q9(d)

    June 2025 · Paper 2 Foundation

    6 marksCrude oil and hydrocarbons
    The whole paper ↗
    June 2025 Paper 2 Foundation, question 9(d): Crude oil is separated into useful products called fractions using fractional distillation. Figure 14 shows a fractional distillation column and the fractions k

  5. Q5(a)(i)

    June 2024 · Paper 2 Foundation

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2024 Paper 2 Foundation, question 5(a)(i): Give the number of carbon atoms in a molecule of compound X. (1)

  6. Q5(a)(ii)

    June 2024 · Paper 2 Foundation

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2024 Paper 2 Foundation, question 5(a)(ii): Compound X contains carbon and one other element. Give the name of the other element in compound X. (1)

  7. Q5(a)(iii)

    June 2024 · Paper 2 Foundation

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2024 Paper 2 Foundation, question 5(a)(iii): Which of the compounds in Figure 9 is a hydrocarbon? (1) A X only B Y only C X and Y only D X, Y and Z

  8. Q5(b)

    June 2024 · Paper 2 Foundation

    3 marksCrude oil and hydrocarbons
    The whole paper ↗
    June 2024 Paper 2 Foundation, question 5(b): Figure 10 shows where fractions are produced in the fractional distillation of crude oil. fractions gases petrol kerosene diesel oil fuel oil crude oil bitumen

  9. Q9(a)(i)

    June 2023 · Paper 2 Higher

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2023 Paper 2 Higher, question 9(a)(i): Which row shows the correct uses for bitumen, diesel oil and fuel oil? (1) bitumen diesel oil fuel oil A fuel for large ships surfacing roads fuel for trains B

  10. Q9(a)(ii)

    June 2023 · Paper 2 Higher

    2 marksCrude oil and hydrocarbons
    The whole paper ↗
    June 2023 Paper 2 Higher, question 9(a)(ii): Explain the trend in the viscosity of the fractions. (2)

  11. Q5(b)(i)

    June 2022 · Paper 2 Higher

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2022 Paper 2 Higher, question 5(b)(i): Which statement about the members of the alkane homologous series is correct? (1) A they show a trend in chemical properties B their boiling point decreases as

  12. Q5(a)(i)

    June 2022 · Paper 2 Foundation

    2 marksCrude oil and hydrocarbons
    The whole paper ↗
    June 2022 Paper 2 Foundation, question 5(a)(i): Give the names of the two elements in this molecule. (2)

  13. Q5(a)(ii)

    June 2022 · Paper 2 Foundation

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2022 Paper 2 Foundation, question 5(a)(ii): What is the molecule in Figure 8? (1) A an oxide B a chain molecule C a fullerene D a ring molecule

  14. Q5(b)

    June 2022 · Paper 2 Foundation

    3 marksCrude oil and hydrocarbons
    The whole paper ↗
    June 2022 Paper 2 Foundation, question 5(b): Crude oil can be separated into different fractions. Draw one straight line from each fraction to a use of that fraction. (3) fraction use fuel for aircraft fue

  15. Q3(a)

    November 2021 · Paper 2 Higher

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    November 2021 Paper 2 Higher, question 3(a): State the name of the process used to separate diesel oil from crude oil. (1)

  16. Q3(b)

    November 2021 · Paper 2 Higher

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    November 2021 Paper 2 Higher, question 3(b): Diesel oil contains alkanes. These alkanes are part of an homologous series. Which statement about compounds in this homologous series is true? (1) A they have

  17. Q9(a)

    November 2021 · Paper 2 Foundation

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    November 2021 Paper 2 Foundation, question 9(a): State the name of the process used to separate diesel oil from crude oil. (1)

  18. Q6(b)(i)

    November 2020 · Paper 2 Foundation

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    November 2020 Paper 2 Foundation, question 6(b)(i): Name the fraction in Figure 10 that is used to surface roads. (1)

  19. Q6(b)(ii)

    November 2020 · Paper 2 Foundation

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    November 2020 Paper 2 Foundation, question 6(b)(ii): Name the fraction in Figure 10 that contains hydrocarbons with the lowest boiling point. (1)

  20. Q2(a)

    June 2019 · Paper 2 Higher

    1 markCrude oil and hydrocarbons
    The whole paper ↗
    June 2019 Paper 2 Higher, question 2(a): Which statement about crude oil is correct? (1) A crude oil is a compound of different hydrocarbons B crude oil is a mixture of hydrocarbons C crude oil contain
All 42 questions on Crude oil and hydrocarbons, as a list
  1. June 2025, Paper 2 Higher, Q3(a)(i) (1 mark): The majority of hydrocarbons in crude oil belong to one homologous series. Give the name of this series. (1)
  2. June 2025, Paper 2 Higher, Q3(a)(ii) (1 mark): Which structure represents a molecule of a hydrocarbon? (1) H A H C Cl H H H B C C H H H H H C H C C C O H H H H H H H H D H C C C C Br H H H H
  3. June 2025, Paper 2 Foundation, Q9(a)(ii) (1 mark): Which structure represents a molecule of a hydrocarbon? (1) H A H C Cl H H H B C C H H H H H C H C C C O H H H H H H H H D H C C C C Br H H H H
  4. June 2025, Paper 2 Foundation, Q9(d) (6 marks): Crude oil is separated into useful products called fractions using fractional distillation. Figure 14 shows a fractional distillation column and the fractions k
  5. June 2024, Paper 2 Foundation, Q5(a)(i) (1 mark): Give the number of carbon atoms in a molecule of compound X. (1)
  6. June 2024, Paper 2 Foundation, Q5(a)(ii) (1 mark): Compound X contains carbon and one other element. Give the name of the other element in compound X. (1)
  7. June 2024, Paper 2 Foundation, Q5(a)(iii) (1 mark): Which of the compounds in Figure 9 is a hydrocarbon? (1) A X only B Y only C X and Y only D X, Y and Z
  8. June 2024, Paper 2 Foundation, Q5(b) (3 marks): Figure 10 shows where fractions are produced in the fractional distillation of crude oil. fractions gases petrol kerosene diesel oil fuel oil crude oil bitumen
  9. June 2023, Paper 2 Higher, Q9(a)(i) (1 mark): Which row shows the correct uses for bitumen, diesel oil and fuel oil? (1) bitumen diesel oil fuel oil A fuel for large ships surfacing roads fuel for trains B
  10. June 2023, Paper 2 Higher, Q9(a)(ii) (2 marks): Explain the trend in the viscosity of the fractions. (2)
  11. June 2022, Paper 2 Higher, Q5(b)(i) (1 mark): Which statement about the members of the alkane homologous series is correct? (1) A they show a trend in chemical properties B their boiling point decreases as
  12. June 2022, Paper 2 Foundation, Q5(a)(i) (2 marks): Give the names of the two elements in this molecule. (2)
  13. June 2022, Paper 2 Foundation, Q5(a)(ii) (1 mark): What is the molecule in Figure 8? (1) A an oxide B a chain molecule C a fullerene D a ring molecule
  14. June 2022, Paper 2 Foundation, Q5(b) (3 marks): Crude oil can be separated into different fractions. Draw one straight line from each fraction to a use of that fraction. (3) fraction use fuel for aircraft fue
  15. November 2021, Paper 2 Higher, Q3(a) (1 mark): State the name of the process used to separate diesel oil from crude oil. (1)
  16. November 2021, Paper 2 Higher, Q3(b) (1 mark): Diesel oil contains alkanes. These alkanes are part of an homologous series. Which statement about compounds in this homologous series is true? (1) A they have
  17. November 2021, Paper 2 Foundation, Q9(a) (1 mark): State the name of the process used to separate diesel oil from crude oil. (1)
  18. November 2020, Paper 2 Foundation, Q6(b)(i) (1 mark): Name the fraction in Figure 10 that is used to surface roads. (1)
  19. November 2020, Paper 2 Foundation, Q6(b)(ii) (1 mark): Name the fraction in Figure 10 that contains hydrocarbons with the lowest boiling point. (1)
  20. June 2019, Paper 2 Higher, Q2(a) (1 mark): Which statement about crude oil is correct? (1) A crude oil is a compound of different hydrocarbons B crude oil is a mixture of hydrocarbons C crude oil contain
  21. June 2019, Paper 2 Higher, Q2(b)(i) (2 marks): State a use for each of these fractions. (2) kerosene. diesel oil
  22. June 2019, Paper 2 Higher, Q2(b)(ii) (1 mark): Figure 1 shows where the fractions kerosene and diesel oil are produced in the fractionating column. fractions kerosene diesel oil crude oil Figure 1 Kerosene i
  23. June 2019, Paper 2 Foundation, Q8(a) (1 mark): Which statement about crude oil is correct? (1) A crude oil is a compound of different hydrocarbons B crude oil is a mixture of hydrocarbons C crude oil contain
  24. June 2019, Paper 2 Foundation, Q8(b)(i) (2 marks): State a use for each of these fractions. (2) kerosene. diesel oil
  25. June 2019, Paper 2 Foundation, Q8(b)(ii) (1 mark): Figure 13 shows where the fractions kerosene and diesel oil are produced in the fractionating column. fractions kerosene diesel oil crude oil Figure 13 Kerosene
  26. June 2018, Paper 2 Higher, Q6(a) (1 mark): Crude oil can be separated into useful fractions by fractional distillation. Figure 7 shows a fractional distillation column and the fractions produced when a s
  27. June 2018, Paper 2 Higher, Q6(b)(ii) (2 marks): Explain why alkanes are described as hydrocarbons. (2)
  28. June 2018, Paper 2 Higher, Q6(c) (2 marks): Figure 8 shows a graph of the boiling points of some alkanes against the number of carbon atoms in one molecule of each alkane. 180 – boiling point 160 – in °C
  29. June 2018, Paper 2 Foundation, Q4(b)(iii) (2 marks): State why ethane is described as a hydrocarbon. (2)
  30. June 2018, Paper 2 Foundation, Q5(a) (1 mark): Which of the statements about crude oil is correct? (1) A crude oil is a finite resource B crude oil is a mixture of the elements hydrogen and carbon C all of t
  31. June 2018, Paper 2 Foundation, Q5(b) (1 mark): The substances ethane, C2H6, octane, C8H18, and pentadecane, C15H32, are all found in crude oil. These substances (1) A have the same formula B have the same bo
  32. June 2018, Paper 2 Foundation, Q5(c)(i) (2 marks): Use a word from the box to complete each of the sentences about the fractional distillation of crude oil. condensed heated melted solidified stirred Each word m
  33. June 2018, Paper 2 Foundation, Q5(c)(ii) (1 mark): Complete this sentence by underlining the correct answer in the box. (1) Compared with the fraction from the top of the column, has more carbon atoms per molecu
  34. June 2018, Paper 2 Foundation, Q5(e) (3 marks): In January 2015 the United Kingdom produced 850 000 barrels of crude oil per day. 45% of this crude oil was fuel oil. Calculate the number of barrels of fuel oi
  35. Specimen, Paper 2 Higher, Q3(a) (1 mark): Which of these mixtures shows formulae of substances that could be in the gaseous fraction of crude oil? (1) A C2H4, C3H8, C4H10O B C2H4, C3H7Br, C4H10 C C2H6,
  36. Specimen, Paper 2 Higher, Q3(b)(i) (1 mark): State which oil well contains the greatest combined total of diesel oil and fuel oil. (1)
  37. Specimen, Paper 2 Higher, Q3(b)(ii) (1 mark): State which oil well produces a crude oil containing the highest percentage of the high boiling point fractions. (1)
  38. Specimen, Paper 2 Foundation, Q3(a) (2 marks): Give the names of the elements combined together in propane. (2)
  39. Specimen, Paper 2 Foundation, Q3(d) (1 mark): Which of the following is the formula of a hydrocarbon? (1) A C6H5OH B CH2OHCH2OH C H2C=CHCH2CH3 D C6H12Cl2
  40. Specimen, Paper 2 Foundation, Q8(a) (1 mark): Which of these mixtures shows formulae of substances that could be in the gaseous fraction of crude oil? (1) A C2H4, C3H8, C4H10O B C2H4, C3H7Br, C4H10 C C2H6,
  41. Specimen, Paper 2 Foundation, Q8(b)(i) (1 mark): State which oil well produces a crude oil containing the highest percentage of the high boiling point fractions. (1)
  42. Specimen, Paper 2 Foundation, Q8(b)(ii) (1 mark): A barrel of crude oil from oil well B weighs 130 kg. Calculate the mass of kerosene in this barrel. (1) kg

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