Chemistry (5070) Topic 11 · Organic chemistry 11.3 Fuels Practise fossil fuels, methane in natural gas, hydrocarbons, petroleum fractional distillation, trends in fraction properties, and the uses of petroleum fractions. Key TheoryLearn FirstLoading… Common MistakesAvoid TheseLoading… StrategyApply ThisLoading… Practice 1EasyLoading… Practice 2EasyLoading… Practice 3MediumLoading… Practice 4MediumLoading… Practice 5AdvancedLoading…