Which statement about the properties of hydrocarbons is correct?
Hydrocarbons with larger molecules are more viscous.
Hydrocarbons with larger molecules are more flammable.
Hydrocarbons with smaller molecules are more viscous.
Hydrocarbons with smaller molecules are less flammable.
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.