Figure 1 shows a simplified fractional distillation column used to separate crude oil into different hydrocarbon fractions.

Choose one physical or chemical property of these hydrocarbon fractions. State how this property for refinery gases compares with the same property for heavy fuel oil.
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.