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GCSEChemistryAQARevision NotesChemical AnalysisIdentification of Common GasesTest for Oxygen

Test for Oxygen (AQA GCSE Chemistry): Revision Note

Stewart Hird

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AQA ChemistryAQA Combined Science: Trilogy: Chemistry

Test for oxygen

  • The test for oxygen consists of placing a glowing splint inside a test tube of gas

  • If the gas is oxygen the splint will relight

Test for oxygen 

Test for Oxygen gas showing a glowing splint in a test tube relighting.

Oxygen relights a glowing splint

Examiner Tips and Tricks

Sometimes the splint does not relight, but it glows very brightly, which is also a positive result. In an exam, however, it is best to state it relights the glowing splint.

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    Stewart Hird

    Author: Stewart Hird

    Expertise: Chemistry Lead

    Stewart has been an enthusiastic GCSE, IGCSE, A Level and IB teacher for more than 30 years in the UK as well as overseas, and has also been an examiner for IB and A Level. As a long-standing Head of Science, Stewart brings a wealth of experience to creating Topic Questions and revision materials for Save My Exams. Stewart specialises in Chemistry, but has also taught Physics and Environmental Systems and Societies.