Across
- 3. melting butter is a _________ reaction (8)
- 4. oxygen gas _______ a glowing splint (8)
- 6. an increase in ________ can increase reaction rate (11)
- 9. the rate of reaction at the start of an experiment (4)
- 10. terminal you connect the metal you want to coat when electroplating (8)
Down
- 1. biological catalyst (6)
- 2. chemical reactions always produce a _______ (7)
- 4. physical reactions are often easy to ________ (7)
- 5. the method of preventing corrosion used on the forth rail bridge (11)
- 7. when iron corrodes (7)
- 8. required for corrosion to occur (6)
- 11. a metal that does not corrode easily (4)