If a substance gains oxygen in a reaction, what happens to it?
It is oxidised.
It is reduced.
It is decomposed.
It is unchanged.
Flashcards for CIE IGCSE Chemistry Redox, 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. 20 cards, matched to the CIE IGCSE Chemistry (0620) specification.