In an experiment, a student adds a single small marble chip (calcium carbonate) to an excess of dilute hydrochloric acid in a beaker.
State one observation the student would make in the beaker once the reaction has completely finished.
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.