A small piece of potassium and a small piece of copper are each added to separate beakers of cold water. What happens?
Both metals react quickly, giving off a gas
Copper reacts quickly, potassium does not react
Potassium reacts quickly, copper does not react
Neither metal reacts, so no gas is given off
40 exam-style questions on AQA GCSE Chemistry 1.3 Properties of transition metals, covering 1.3.1 Comparison with Group 1 elements and 1.3.2 Typical properties of transition metals. Each one has a worked solution and a mark scheme showing where the marks go.