In this investigation, a student reacts a small piece of magnesium ribbon with an excess of dilute hydrochloric acid in a conical flask.
State what the student would observe (see) in the conical flask when the reaction has completely finished.
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.