A student leaves a magnesium sulfate solution to cool, and crystals form. The student removes the crystals with a spatula, but they are still wet with solution.
Which method should the student use to dry the crystals?
rinse them with water from a wash bottle
heat them strongly over a Bunsen burner
pat them between two sheets of filter paper
leave them in the solution for another day
88 exam-style questions on AQA GCSE Chemistry 4.2 Reactions of acids, covering 4.2.1a Reactions of acids with metals, 4.2.1b Redox in acid-metal reactions, 4.2.2 Neutralisation of acids and salt production, 4.2.3 Soluble salts, 4.2.4 The pH scale and neutralisation, 4.2.5a Titrations, 4.2.5b Calculating quantities in titrations, and 4.2.6 Strong and weak acids. Each one has a worked solution and a mark scheme showing where the marks go.