plumiAlternative fuels and carbon neutrality: Edexcel International A Level Chemistry questions
Edexcel International A Level Chemistry past-paper questions on 4.B.4 Alternative fuels and carbon neutrality, 2019–2025, with mark schemes and examiner’s reports where available.
All papers
All years
Q14(b)(ii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ22(a)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ19(b)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ21(c)(ii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ21(c)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ23(a)(ii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ14(d)(ii)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ22(a)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ22(d)(ii)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFLoading the question…
Open the full PDFYour answerQ17(c)(i)
The whole paper ↗Loading the question…
Open the full PDFQ22(a)(i)
The whole paper ↗
Loading the start of the question…
Loading the question…
Open the full PDFQ22(a)(ii)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDFQ22(d)(ii)
The whole paper ↗Loading the start of the question…
Loading the question…
Open the full PDF
All 14 questions on Alternative fuels and carbon neutrality, as a list
- June 2025, AS Unit 2, Q14(b)(ii) (3 marks): Hydrogen has been proposed as an alternative fuel to petrol. Explain why hydrogen is a more environmentally friendly fuel than alkanes. (3)
- June 2024 (R), AS Unit 2, Q22(a) (3 marks): Evaluate which of these two methods used to obtain hydrogen is more sustainable. (3)
- October 2023, AS Unit 1, Q19(b) (3 marks): Many countries are gradually replacing E5 fuels with E10 fuels. Explain how this change might result in a more sustainable fuel. (3)
- October 2023, AS Unit 2, Q21(c)(ii) (2 marks): Suggest why the production of propenoic acid from propane‑1,2,3‑triol is more sustainable than its production from propene. (2)
- January 2023, AS Unit 1, Q21(c) (2 marks): Recently, sales of electric cars have increased. Give two environmental benefits of using electric cars. Justify your answers. (2)
- June 2022, AS Unit 1, Q23(a)(ii) (2 marks): State the main environmental problem caused by landfill gases, identifying the gas or gases responsible. (2)
- October 2021, AS Unit 1, Q14(d)(ii) (2 marks): Give two possible reasons for producing hydrogen from aluminium rather than from fossil fuels. (2)
- October 2021, AS Unit 2, Q22(a) (2 marks): Give one advantage and one disadvantage of using bioethanol in petrol. (2) Advantage Disadvantage
- October 2021, AS Unit 2, Q22(d)(ii) (1 mark): Suggest a problem arising from the hygroscopic nature of ethanol when using this fuel in a motor vehicle. (1)
- January 2021, AS Unit 1, Q15 (1 mark): Petrol, bioethanol and hydrogen are fuels. All three of these fuels A burn to produce greenhouse gases B are overall carbon neutral C are overall sustainable D
- October 2020, AS Unit 2, Q17(c)(i) (2 marks): Methanol produced from petrol by CCU may be mixed with petrol derived from fossil fuels. A concentration of 5% by mass of methanol is used. Explain how the use
- June 2019, AS Unit 1, Q22(a)(i) (2 marks): Explain why coffee grounds might be considered a carbon-neutral fuel. (2)
- June 2019, AS Unit 1, Q22(a)(ii) (2 marks): Explain how the use of fossil fuels causes climate change. (2)
- June 2019, AS Unit 1, Q22(d)(ii) (2 marks): Bananas produce ethene as they ripen. Suggest one advantage and one disadvantage of using ripening bananas as a source of ethene for polymer production. (2)
Questions, mark schemes and examiner’s reports are © Pearson Edexcel, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Edexcel International A Level Chemistry past papers.
The Plumi iPad app also offers exam-style questions with AI feedback on your handwritten working.