Worksheets and lesson ideas to challenge students aged 11 to 16 to think hard about tests for ions and gases (GCSE and Key Stage 3)
This fantastic and simple demonstration helps students see how carbon dioxide can be used as a fire extinguisher. The demonstrations allow you to discuss some of the properties of carbon dioxide and help students understand the concept of density.
Tests for ions and gases
Visit the acids and alkalis page for a great resource that brings together tests for common ions under one challenge.
GCSE card game on tests for common ions. Students play in pairs to identify the ion and formula from the description of an ion test. The cards can be reversed so students describe the tests, reagents and observations from the ionic formula. (PDF)