What is fractional distillation?
What is fractional distillation?

Crude oil is a mixture of many different hydrocarbons. A hydrocarbon is a compound containing hydrogen and carbon atoms only.
Step-by-step lessons on AQA GCSE Chemistry 7.1.2 Fractional distillation and petrochemicals. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.