Extracting Metals from Ores
Extracting Metals from Ores

Most metals are found in the Earth's crust combined with other elements in rocks called ores. An ore is a rock containing a high enough concentration of a metal compound to make extraction economically viable.
Step-by-step lessons on OCR GCSE Chemistry Improving processes and products. 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.