Crude oil is a fossil fuel formed over millions of years.
Which statement about crude oil is correct?
Crude oil is a mixture consisting mainly of hydrocarbons called alkanes.
Crude oil was formed from the remains of ancient trees and ferns that grew on land.
The different compounds in crude oil can be separated from each other using filtration.
The atoms in the hydrocarbon molecules in crude oil are held together by ionic bonds.
Practise Edexcel GCSE Chemistry Fuels with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.