Crude oil is a vital resource used to produce many fuels and chemicals.
Which statement about crude oil is correct?
Crude oil is a single compound made of carbon and hydrogen.
Crude oil is a mixture containing mainly alkanes of different chain lengths.
Every hydrocarbon molecule in crude oil has the same boiling point.
Crude oil is a renewable resource that can be replaced quickly.
130 exam-style questions on Edexcel GCSE Chemistry 9.1 Fuels, covering 9.1.1 Hydrocarbons and crude oil, 9.1.2 Fractional distillation of crude oil and its fractions, 9.1.3 The alkanes as a homologous series, 9.1.4 Complete and incomplete combustion, 9.1.5 Pollutants from burning fuels, 9.1.6 Hydrogen as a fuel and non-renewable fossil fuels, and 9.1.7 Cracking of larger alkanes. Each one has a worked solution and a mark scheme showing where the marks go.