Look at the equation:
CuO+H2⟶Cu+H2O \text{CuO} + \text{H}_2 \longrightarrow \text{Cu} + \text{H}_2\text{O} CuO+H2⟶Cu+H2OWhich substance is the reducing agent in this reaction?
CuO\text{CuO}CuO
H2\text{H}_2H2
Cu\text{Cu}Cu
H2O\text{H}_2\text{O}H2O
55 exam-style questions on OCR GCSE Chemistry Types of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.