4.8.1.1–4.8.1.2 · Purity & Formulations
What is a pure substance in chemistry?
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A single element or compound, not mixed with any other substance.
AQA GCSE Chemistry · Topic 8
Chemical Analysis flashcards
30 cards on Chemical Analysis, every one written against a numbered point in section 4.8 of the AQA Chemistry spec. Here’s what the topic covers, and 3 cards to try.
- 30Flashcards
- 5Sub-topics
- 13Triple only
Try 3 cards from Chemical Analysis.
Answer each one in your head, then check. In the app, how well you knew it decides when you see it again.
4.8.1.3 · Chromatography
What are the two phases in chromatography?
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The stationary phase (the paper) and the mobile phase (the solvent that moves through it).
4.8.2 · Tests for Gases
What is the test for hydrogen?
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Hold a burning splint at the open end of the test tube. Hydrogen burns rapidly with a squeaky pop.
- +27more Chemical Analysis cards in the app, shown to you just before you’d forget them.Join the waitlist →
What’s in Chemical Analysis?
Every part of section 4.8 of the AQA spec, and how many cards cover it. Cards only on the separate Chemistry GCSE are hidden for Combined Science.
- 4.8.1.1–4.8.1.2Purity & Formulations5 cards
- 4.8.1.3Chromatography8 cards
- 4.8.2Tests for Gases4 cards
- 4.8.3.1–4.8.3.5Tests for IonsTriple only9 cards
- 4.8.3.6–4.8.3.7Instrumental MethodsTriple only4 cards
Required practicals in this topic.
The method, the variables and a worked example for each.
Launching November 2026
The other 27 cards are in the app.
revolve. shows you each Chemical Analysis card just before you’d forget it, so ten minutes a day is enough. It opens to students soon: join the waitlist and we’ll email you once, when it does.