Which process is normally used to obtain crystals of a soluble salt from its solution?
Evaporate some water, cool, then filter the crystals
Add more water until saturated, then filter the crystals
Filter the solution and collect the solid on the paper
Separate the salt and water with a separating funnel
107 exam-style questions on Edexcel GCSE Chemistry 3.2 Methods of separating and purifying substances, covering 3.2.1 Pure substances and mixtures, 3.2.2 Techniques for separating mixtures, 3.2.3 Paper chromatography and Rf values, and 3.2.4 Making water potable. Each one has a worked solution and a mark scheme showing where the marks go.