A student wants to obtain clean, dry crystals of salt from a solid mixture of salt and sand.
They write the steps for this experiment but not in the correct order:
What is the correct order of steps for this experiment?
3, 1, 4, 2, 5
3, 4, 1, 2, 5
1, 3, 4, 2, 5
3, 1, 2, 4, 5
46 exam-style questions on OCR GCSE Chemistry Purity and separating mixtures. Each one has a worked solution and a mark scheme showing where the marks go.