The reaction of calcium carbonate with dilute citric acid is much slower than its reaction with dilute hydrochloric acid of the same concentration.
This is because citric acid is a weak acid.
Explain the meaning of the term weak acid.
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.
