A student adds magnesium hydroxide powder to a beaker of dilute hydrochloric acid and measures the pH. Explain, in terms of the particles present, why the pH of the solution increases.
Practise Edexcel GCSE Chemistry Acids with exam-style questions for Foundation and Higher tier. 276 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.
