Chemical Reactions

1234567891011
Across
  1. 3. melting butter is a _________ reaction (8)
  2. 4. oxygen gas _______ a glowing splint (8)
  3. 6. an increase in ________ can increase reaction rate (11)
  4. 9. the rate of reaction at the start of an experiment (4)
  5. 10. terminal you connect the metal you want to coat when electroplating (8)
Down
  1. 1. biological catalyst (6)
  2. 2. chemical reactions always produce a _______ (7)
  3. 4. physical reactions are often easy to ________ (7)
  4. 5. the method of preventing corrosion used on the forth rail bridge (11)
  5. 7. when iron corrodes (7)
  6. 8. required for corrosion to occur (6)
  7. 11. a metal that does not corrode easily (4)