A student sets up the apparatus shown below to investigate the products of combustion when a wax candle is burned.

Describe what must be done to, or placed in, Tube 1 and Tube 2 to collect the water and prove that carbon dioxide gas is produced.
Practise Edexcel GCSE Chemistry Fuels 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.