Chemical Reactions

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Across
  1. 1. process of a solid turning into a liquid
  2. 2. Gas produced when an acid reacts with a metal.
  3. 7. Made up of 2 hydrogen atoms and 1 oxygen atom.
  4. 9. Represented by (l) in a chemical equation.
  5. 11. Product made up of two or more materials with different chemical or physical properties eg. Kevlar
  6. 12. Type of change in a reaction eg. freezing water.
  7. 14. Process where a liquid turns into a gas
  8. 15. Product of a reaction of acid and alkali eg. NaCl.
  9. 17. Fuel that comes from a gas tap.
  10. 19. Reaction that gives out heat.
  11. 20. Synthetic materials made up of a chain of molecules.
Down
  1. 1. Product when magnesium is heated in oxygen.
  2. 3. The mass of reactants is always equal to mass of products
  3. 4. Process where an acid cancels out an alkali.
  4. 5. Reaction that takes in heat.
  5. 6. Process where a gas turns into a liquid
  6. 8. Process of burning.
  7. 10. The opposite of an acid.
  8. 11. Product of combustion.
  9. 13. Represented by (g) in a chemical equation.
  10. 16. Type of change in a reaction eg. frying an egg.
  11. 18. Represented by (s) in a chemical equation.