The general reaction
The general reaction
A reactive metal reacts with a suitable dilute non-oxidising acid, such as hydrochloric acid or dilute sulfuric acid, to form a salt and hydrogen gas.
Step-by-step lessons on AQA GCSE Chemistry 4.2.1 Reactions of acids with metals. 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.