Soluble salts are formed by reacting metal carbonates with acids. Give one other type of substance that can react with an acid to form a soluble salt.
Copper(II) nitrate contains the ions Cu2+\text{Cu}^{2+}Cu2+ and NO3−\text{NO}_3^-NO3−. Give the formula of copper(II) nitrate.
Describe a method to make pure, dry crystals of copper(II) sulfate from a metal oxide and a dilute acid.
40 exam-style questions on AQA GCSE Chemistry 4.2 Reactions of acids, covering 4.2.1 Reactions of acids with metals, 4.2.2 Neutralisation of acids and salt production, 4.2.3 Soluble salts, 4.2.4 The pH scale and neutralisation, 4.2.5 Titrations, and 4.2.6 Strong and weak acids (HT only). Each one has a worked solution and a mark scheme showing where the marks go.