Key term for OCR GCSE Chemistry A, used in Practical Activity Groups.
A measure of acidity and alkalinity running from 0 to 14, where values below 7 are acidic, 7 is neutral, and values above 7 are alkaline.
pH scale appears in OCR GCSE Chemistry A revision content for Practical skills, especially Practical Activity Groups and Titration Practical.
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Chemical reactions
Types of chemical reactions • Measuring pH
