Fuels: past paper questions

Where the questions come from

• Question 36May/June 2026, paper 11Multiple choice1 mark

  Natural gas is a combustible gas that is a mixture of simple hydrocarbon compounds. Which substance is the main constituent of natural gas?

  Try this question
• Question 31Oct/Nov 2025, paper 11Multiple choice1 markHas a diagram

  Some fractions obtained from petroleum are listed.

  Try this question
• Question 34Oct/Nov 2024, paper 11Multiple choice1 markHas a diagram

  Petroleum is an important raw material that is separated into useful products. Which terms describe petroleum and the method used to separate it?

  Try this question
• Question 33Oct/Nov 2023, paper 11Multiple choice1 markHas a diagram

  Petroleum is separated into fractions by fractional distillation. Which row describes a use of the named fraction?

  Try this question
• Question 32May/June 2026, paper 12Multiple choice1 markHas a diagram

  Gas oil and naphtha are two fractions obtained from petroleum. What are uses of these fractions?

  Try this question
• Question 37Oct/Nov 2025, paper 12Multiple choice1 mark

  Petroleum is a mixture of compounds. Which elements are present in all of these compounds?

  Try this question
• Question 37Oct/Nov 2024, paper 11Multiple choice1 mark

  Which fuel is manufactured by fermentation?

  Try this question
• Question 38Oct/Nov 2023, paper 11Multiple choice1 mark

  Ethane is used as a fuel. Which equation shows the complete combustion of ethane?

  Try this question
• Question 33May/June 2026, paper 12Multiple choice1 mark

  Four different fuels are listed. 1 ethanol 2 petroleum 3 hydrogen 4 natural gas Which fuels are fossil fuels?

  Try this question
• Question 38Oct/Nov 2025, paper 12Multiple choice1 mark

  Which statement about ethanol explains why it is used as a fuel?

  Try this question
• Question 37Oct/Nov 2024, paper 12Multiple choice1 markHas a diagram

  Four different organic compounds are separated by a fractionating column. The table shows the boiling points of the compounds.

  Try this question
• Question 35Oct/Nov 2023, paper 12Multiple choice1 mark

  Poly(ethene) is formed from petroleum using three separate processes. In which order are the processes used?

  Try this question
• Question 36May/June 2026, paper 13Multiple choice1 markHas a diagram

  What is the name of fraction X?

  Try this question
• Question 29Oct/Nov 2025, paper 13Multiple choice1 markHas a diagram

  Two reactions, M and N, both form carbon dioxide.

  Try this question
• Question 33Oct/Nov 2024, paper 13Multiple choice1 mark

  Fractional distillation is used to separate petroleum into its fractions. Which statement about the fractional distillation of petroleum is correct?

  Try this question
• Question 36Oct/Nov 2023, paper 12Multiple choice1 markHas a diagram

  Gas oil and naphtha are two fractions obtained from petroleum. What are uses of gas oil and naphtha?

  Try this question
• Question 33May/June 2026, paper 21Multiple choice1 markHas a diagram

  The diagram shows a simple fractionating column for petroleum. Which outlet produces the fraction with the most viscous liquids?

  Try this question
• Question 32Oct/Nov 2025, paper 13Multiple choice1 markHas a diagram

  Which bar chart shows the percentage composition of natural gas?

  Try this question
• Question 32Oct/Nov 2024, paper 21Multiple choice1 mark

  Which fraction obtained from petroleum has the lowest boiling point?

  Try this question
• Question 37Oct/Nov 2023, paper 13Multiple choice1 markHas a diagram

  The flow diagram shows how poly(ethene) may be made from petroleum. $$\text{petroleum}\stackrel{1}{\to }\text{fuel oil}\stackrel{2}{\to }\text{ethene}\stackrel{3}{\to }\text{poly(ethene)}$$ What are stages 1, 2 and 3?

  Try this question
• Question 4May/June 2026, paper 31Structured12 marksHas a diagram

  This question is about organic compounds and their reactions. Compound M is unsaturated. Figure 4.1 shows the displayed formula of compound M. On Figure 4.1, draw a circle around the carboxylic acid functional group.

  Try this question
• Question 32Oct/Nov 2025, paper 21Multiple choice1 mark

  Petroleum is separated by fractional distillation. Which statement about the fractions produced is correct?

  Try this question
• Question 30Oct/Nov 2024, paper 22Multiple choice1 mark

  Which statement is correct?

  Try this question
• Question 4Oct/Nov 2025, paper 31Structured16 marksHas a diagram

  Molecules of compound C are produced by some plants. Fig. 4.1 shows the displayed formula of a molecule of compound C. Fig. 4.1 Deduce the molecular formula of compound C to show the number of atoms of carbon, hydrogen and oxygen.

  Try this question
• Question 5Oct/Nov 2024, paper 41Structured17 marks

  Hydrogen is the first element of the Periodic Table. Hydrogen is used in fuel cells to produce electricity in vehicles. Name the substance which combines with hydrogen in a fuel cell.

  Try this question
• Question 4Oct/Nov 2025, paper 32Structured17 marksHas a diagram

  Molecules of compound A are found in some plants. Fig. 4.1 shows the displayed formula of a molecule of compound A. Deduce the molecular formula of compound A to show the number of atoms of carbon, hydrogen and oxygen.

  Try this question
• Question 35May/June 2024, paper 12Multiple choice1 mark

  Petroleum is a mixture. Which method is used to separate petroleum into its components?

  Try this question
• Question 2Oct/Nov 2023, paper 31Structured6 marksHas a diagram

  Fig. 2.1 shows the distillation apparatus that can be used to separate water from aqueous copper(II) sulfate. Explain how distillation separates water from aqueous copper(II) sulfate.

  Try this question
• Question 4Oct/Nov 2025, paper 33Structured17 marksHas a diagram

  Compound B is a molecule found in a plant called basil. Fig. 4.1 shows the displayed formula of a molecule of compound B. Fig. 4.1 Deduce the molecular formula of compound B to show the number of atoms of carbon, hydrogen and oxygen.

  Try this question
• Question 35May/June 2024, paper 13Multiple choice1 markHas a diagram

  Which row identifies the petroleum fractions used to reduce the friction between metal parts in engines and as a fuel in cars?

  Try this question