Edexcel International GCSE Chemistry
Edexcel International GCSE Chemistry Crude Oil Exam Questions
Free Edexcel International GCSE Chemistry exam questions on Crude Oil, with mark schemes. Covers fractional distillation, fractions, combustion and cracking.
Crude Oil exam questions
These packs of real past exam questions cover the whole of Section 4: Organic Chemistry, including Crude Oil. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel IGCSE Chemistry 4CH1 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel International GCSE Chemistry Crude Oil
This sub-topic covers crude oil.
What you need to know
- Fractional distillation Separation by boiling point.
- Fractions Uses and properties.
- Cracking Making shorter alkanes and alkenes.
Common mistakes in Crude Oil
- Saying fractions are pure compounds.
- Forgetting incomplete combustion makes CO.
Try two Crude Oil exam-style questions
1. Explain why cracking is needed. (1 mark)
Show the mark scheme answer
Demand for shorter chain fuels is greater than supply.
2. State one danger of carbon monoxide. (1 mark)
Show the mark scheme answer
It is toxic as it binds to haemoglobin.
Crude Oil FAQs
What does this cover?
Crude oil, fractions and cracking.
Why do fractions separate?
They have different boiling points.
Revise this topic with flashcards: Edexcel IGCSE Chemistry 4CH1 Flashcards, with mark scheme answers for Anki and Quizlet.
