Potable versus pure water
Potable versus pure water
Potable water is water that is safe to drink. It has sufficiently low levels of dissolved salts and harmful microbes, although it can still contain small, safe amounts of dissolved substances.
Step-by-step lessons covering AQA GCSE Chemistry 10.1.2 Potable water for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.