A ceramics factory uses four solid additives: a Group 1 compound, an iron(III) compound, a cobalt(II) compound and a nickel(II) compound. Two unlabelled additive samples, R and S, are checked during quality control. Sample R is white and sample S is pink.
Which statement gives the identities of sample R and sample S?
Sample R is the Group 1 compound and sample S is the iron(III) compound
Sample R is the nickel(II) compound and sample S is the iron(III) compound
Sample R is the cobalt(II) compound and sample S is the Group 1 compound
Sample R is the Group 1 compound and sample S is the cobalt(II) compound
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.