During the electrolysis of dilute sodium sulfate solution using inert electrodes, a colourless gas is produced at the cathode.
This gas burns with a squeaky pop when tested with a lighted splint.
Identify this gas.
83 exam-style questions on Edexcel GCSE Chemistry 4.2 Electrolytic processes, covering 4.2.1 Electrolytes and the process of electrolysis, 4.2.2 Products of electrolysis using inert electrodes, 4.2.3 Half equations, oxidation and reduction in electrolysis, and 4.2.4 Electrolysis of copper sulfate and purifying copper. Each one has a worked solution and a mark scheme showing where the marks go.