Cambridge Secondary (7-9). Stage 9. MCE Science. Student Book - Unit 6: Displacement Reactions - Question 27

Match the word equation with the correct symbol equation.

Note: You do not need to know how to balance equations.

Word equations:
- methane + oxygen → carbon dioxide + water vapour
- iron + oxygen → iron oxide
- magnesium + oxygen → magnesium oxide

Symbol equations:
- 2Mg + O₂ → 2MgO
- CH₄ + 2O₂ → CO₂ + 2H₂O
- 4Fe + 3O₂ → 2Fe₂O₃