Key term for OCR GCSE Chemistry A, used in Practical Activity Groups.
An indicator that is colourless in acidic solutions and pink in alkaline solutions.
Phenolphthalein appears in OCR GCSE Chemistry A revision content for Practical skills, especially Practical Activity Groups and Titration Practical.
Create a free account to access OCR GCSE Chemistry A revision notes, track progress, and practise related key terms.
