Combined Science GCSE
pH scale
What pH scale means in Combined Science GCSE, as defined for AQA.
Definitions of pH scale
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Read the wording for your board, then hide it and explain pH scale in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Runs from 0 to 14 and is a measure of the acidity or alkalinity of a solution.
Runs from 0 to 14 and shows how acidic or alkaline a solution is.
Topics that use pH scale
- The pH scale and neutralisation (AQA GCSE)
Related terms
- Acids
- Hydroxide ions
- Ionic reactions in solution
- Neutral solutions
- Neutralisation
- Representing reactions with word and symbol equations
- The pH scale
- Universal indicator
Using pH scale in the exam
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