Y9 Chemistry ASB

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Across
  1. 3. the metal found in table salt
  2. 5. ph 7
  3. 7. pH greater than 7
  4. 9. metal used to make aircraft
  5. 12. radioactive substance discovered by Marie Curie
  6. 13. symbol Au
  7. 16. pH less than 7
  8. 17. created the theory of plate tectonics
  9. 18. made by complete combustion
  10. 19. the liquid part of a solution
Down
  1. 1. the solid part of a solution
  2. 2. used to 'stick' bricks together
  3. 4. a mixture of oil and water
  4. 6. made by incomplete combustion
  5. 8. a chemical that halls oil and water mix
  6. 10. used to test if a gas is carbon dioxide
  7. 11. the element found in most bleaches
  8. 14. the method used to make very pure copper
  9. 15. the gas needed for iron to rust
  10. 18. one of the ingredients of concrete