Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
The origin of crude oil
19 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →Explain how burning fuels derived from crude oil can contribute to acid rain. Include the names of the main gases involved.
Question 2
5 marks · Hard
Answer and see the solution →Crude oil formed over millions of years from the remains of organisms.
(a)[2 marks]Describe what happened to the dead sea plants and animals that led to the formation of crude oil.
(b)[2 marks]State two conditions necessary for crude oil to form from these remains.
(c)[1 mark]Explain why crude oil is considered a non-renewable resource.
Question 3
2 marks · Hard
Answer and see the solution →State what crude oil is composed of. Name the two elements found in all hydrocarbons in crude oil.