Crude oil and its origin
Crude oil and its origin
Crude oil is a mixture of many different compounds found in rocks. Most of these compounds are hydrocarbons, which contain carbon and hydrogen only.
Step-by-step lessons on AQA GCSE Chemistry 7.1.1 Crude oil, hydrocarbons and alkanes. 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.