Key ideas1 of 3
Set up the apparatus
React equal lengths of cleaned magnesium ribbon with equal volumes of dilute hydrochloric acid at different concentrations. Keep acid in excess. A bung and delivery tube connect the flask to a gas syringe.
Chemistry · Paper 2 · Foundation + Higher
Required practical: collect a gas
No timer. Read the explanation after each answer.
Lesson questions complete
Practice, downloads and sources
Daily 5 · Exam practice · Revision sheet ↓
Foundation + Higher. C6 · Rate and extent of chemical change.
AQA Combined Science Trilogy 8464 · 5.6.1.2 · Required practical 11. Original teaching notes, questions and diagrams. Animations are simplified models; speeds and practical readings are illustrative.