Chemical Reactions

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Across
  1. 1. A reaction in which a substance combines with oxygen.
  2. 5. A reaction that absorbs heat from the surroundings.
  3. 11. The acid used in sherbet to create a fizz.
  4. 13. A metal that is stored under oil because it is so reactive.
  5. 14. A solid formed when a metal reacts with oxygen.
  6. 16. Another word for burning.
  7. 17. The process of iron reacting with oxygen and water.
  8. 18. A metal that does not react with oxygen.
Down
  1. 2. A type of ice pack that uses an endothermic process.
  2. 3. The metal used in self-heating cans.
  3. 4. A substance that speeds up a reaction but is not used up.
  4. 6. The metal that reacts vigorously with steam.
  5. 7. The oxide formed when magnesium burns in air.
  6. 8. A reaction that gives out heat to the surroundings.
  7. 9. The gas produced when metals react with water.
  8. 10. A substance that absorbs water vapour from air.
  9. 12. The metal used in galvanising to prevent rust.
  10. 15. A substance that stores chemical energy and can be burned.