Reactions

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Across
  1. 5. A rock that you can extract a metal from
  2. 7. scale Shows whether a substance is acidic, alkaline or neutral
  3. 8. A starting substance in a chemical reaction
  4. 9. A list of metals in order of how vigorously they react
  5. 10. Elements on the left of the stepped line of the periodic table.
  6. 11. An indicator of pH
  7. 13. A reaction where an acid cancels out an alkali or an alkali cancels out an acid
  8. 15. Compound in which hydrogen atoms of an acid are replaced by atoms of a metal element
  9. 16. Means it can burn your skin and eyes
Down
  1. 1. Chemical reaction where a more reactive metal takes the place of a less reactive metal
  2. 2. Changes the colour of solutions to show the pH of a solution
  3. 3. Reaction of aluminium with iron oxide to make aluminium oxide and iron
  4. 4. A large amount of solute particles in a solution
  5. 6. Not acidic or alkaline
  6. 12. A low amount of solute particles in a solution
  7. 14. A chemical reaction in which a substance combines with oxygen