Where polymer materials come from
Where polymer materials come from
Most polymers are made from alkenes such as ethene and propene. These alkenes are obtained by cracking heavier fractions of crude oil.
Step-by-step lessons on Edexcel GCSE Chemistry 10.3.4 Problems with polymers and recycling. 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.