Combined Science GCSE

Pop sound

What Pop sound means in Combined Science GCSE, as defined for AQA.

Definition of Pop sound

Check what you remember

Read the wording for your board, then hide it and explain Pop sound in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

Reference: AQA

The sound heard when hydrogen burns rapidly with oxygen from the air, showing a positive test.

AQA · Test for hydrogen (study guide)

Topics that use Pop sound

Test for hydrogen (AQA GCSE)

Related terms

Using Pop sound in the exam

Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

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All Combined Science GCSE terms