Limewater Test

  • The test for carbon dioxide involves bubbling the gas through an aqueous solution of calcium hydroxide (limewater).
  • If the gas is carbon dioxide, the limewater turns milky or cloudy.

Test for Carbon Dioxide, IGCSE & GCSE Chemistry revision notes

Diagram showing the test for carbon dioxide gas

AQA GCSE Chemistry Notes

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Morgan Curtin Chemistry

Author: Morgan

Morgan’s passion for the Periodic Table begun on his 10th birthday when he received his first Chemistry set. After studying the subject at university he went on to become a fully fledged Chemistry teacher, and now works in an international school in Madrid! In his spare time he helps create our fantastic resources to help you ace your exams.