Which statement about limewater is correct?
Limewater is an aqueous solution of calcium hydroxide.
Limewater is an aqueous solution of calcium carbonate.
Limewater is an aqueous solution of sodium hydroxide.
Limewater is an aqueous solution of barium chloride.
40 exam-style questions on AQA GCSE Chemistry 8.2 Identification of common gases, covering 8.2.1 Test for hydrogen, 8.2.2 Test for oxygen, 8.2.3 Test for carbon dioxide, and 8.2.4 Test for chlorine. Each one has a worked solution and a mark scheme showing where the marks go.