Which of the following describes the correct chemical test and positive result for chlorine gas?
Put a glowing splint into the gas; the splint relights
Put damp blue litmus paper into the gas; the paper turns red and then bleaches white
Bubble the gas through limewater; the limewater turns cloudy
Put a burning splint into the gas; it burns with a squeaky pop
Practise Edexcel GCSE Chemistry Group 7 with exam-style questions for Foundation and Higher tier. 77 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.
