Which statement about the compounds in crude oil is correct?
All of the compounds in crude oil are alkanes.
All of the compounds in crude oil are elements.
Most of the compounds in crude oil are alkanes.
Most of the compounds in crude oil are elements.
40 exam-style questions on AQA GCSE Chemistry 7.1 Carbon compounds as fuels and feedstock, covering 7.1.1 Crude oil, hydrocarbons and alkanes, 7.1.2 Fractional distillation and petrochemicals, 7.1.3 Properties of hydrocarbons, and 7.1.4 Cracking and alkenes. Each one has a worked solution and a mark scheme showing where the marks go.