Which one of these compounds is a hydrocarbon?
CH3OH\text{CH}_3\text{OH}CH3OH
CH3Cl\text{CH}_3\text{Cl}CH3Cl
CH3NH2\text{CH}_3\text{NH}_2CH3NH2
CH3CH3\text{CH}_3\text{CH}_3CH3CH3
91 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.