Figure 4 shows the apparatus used to electrolyse a solution of sodium chloride (brine).

Inert graphite electrodes are used in this process.
Give two reasons why graphite is a suitable material for these electrodes.
Practise Edexcel GCSE Chemistry Electrolytic processes 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.