A technician mixes copper(II) sulfate solution with sodium hydroxide solution in a test tube.
Construct the balanced ionic equation for the reaction.
Include state symbols.
107 exam-style questions on OCR GCSE Chemistry 4.2 Identifying the products of chemical reactions, covering 4.2.1 Tests to identify gases, 4.2.2 Tests for aqueous ions and flame tests, and 4.2.3 Instrumental methods of analysis. Each one has a worked solution and a mark scheme showing where the marks go.