A student investigates the change in pH as dilute potassium hydroxide solution is added to 30 cm3 of dilute nitric acid.
They record their results and plot the graph below.
Explain why the pH starts at a low value and ends at a high value.
Acids Questions
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.