When zinc metal reacts with dilute sulfuric acid to investigate how temperature affects the rate of reaction, a highly flammable gas, hydrogen (H2H_2H2), is produced.
Give one safety precaution that the student should take when carrying out this experiment, other than wearing safety goggles.
Practise Edexcel GCSE Chemistry Rates of reaction with exam-style questions for Foundation and Higher tier. 166 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.