In a titration, a student adds a few drops of phenolphthalein indicator to a conical flask containing dilute nitric acid.
State the colour change of the phenolphthalein indicator at the end point of the titration, as the acid is just neutralised by the addition of sodium hydroxide solution.
Practise Edexcel GCSE Chemistry Acids with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.