The word equation for the reaction in a hydrogen fuel cell is: hydrogen + oxygen → \rightarrow\,→ water. Why is the hydrogen described as being oxidised in this reaction?
The hydrogen loses oxygen to form the product
The hydrogen gains oxygen to form the product
The oxygen gains hydrogen to form the product
The oxygen loses hydrogen to form the product
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.