A pure substance contains [ ] with nothing else mixed in.
only one element or one compound
one element and one compound
several different compounds
two or more substances
Flashcards for CIE IGCSE Chemistry Separation and purification, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended), plus Paper 5 or Paper 6. 23 cards, matched to the CIE IGCSE Chemistry (0620) specification.