Petrol and diesel are two fractions obtained from crude oil. Diesel is much more viscous than petrol.
Explain why diesel has a higher viscosity than petrol.
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.