OCR GCSE Chemistry A · J248
Specification PAG 6 · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
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GCSE Chemistry · key term
A dye that changes colour over a particular pH range and is used to show when the titration has reached its end point.
Used by OCR
Specification PAG 6 · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
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