Which statement describes what a battery is?
Two or more cells that are connected together in series
Two or more electrodes that are placed in the same beaker
One cell that contains an electrolyte and a solid electrode
One cell that has been recharged using an external current
40 exam-style questions on AQA GCSE Chemistry 5.2 Chemical cells and fuel cells, covering 5.2.1 Cells and batteries, 5.2.2a Fuel cells, and 5.2.2b Half equations for hydrogen fuel cells. Each one has a worked solution and a mark scheme showing where the marks go.