Four solutions of sulfate compounds are made up in water. Which solution is colourless?
Copper(II) sulfate solution
Nickel(II) sulfate solution
Iron(II) sulfate solution
Sodium sulfate solution
91 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.