Why waste water must be treated
Why waste water must be treated
Waste water is produced by homes, farms and industry. Sewage and agricultural waste water contain organic matter and harmful microbes, while industrial waste water may also contain toxic chemicals.
Step-by-step lessons on AQA GCSE Chemistry 10.1.3 Waste water treatment. 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.