Chemistry Revision

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Across
  1. 2. exothermic reactions give heat ...
  2. 3. Distillation uses this shaped flask.
  3. 6. Metals are extracted from ores by reduction with ...
  4. 9. The pH scale tells you the ... of an acid or alkali.
  5. 11. These reactions take in heat.
  6. 12. Evaporation removes ...
  7. 15. Combustion is an example of an ... reaction.
  8. 16. Separating dyes using paper and a solvent.
  9. 17. The colour universal indicator turns in neutral solutions.
Down
  1. 1. This metal is bottom of the reactivity series.
  2. 4. Nitric acid gives us this salt.
  3. 5. This metal is top of the reactivity series.
  4. 7. Thermal decomposition is breaking something down with ...
  5. 8. This acid forms sulphate salts.
  6. 10. When you add acid to alkali.
  7. 12. Acid + alkali -> salt + ?
  8. 13. You grind mixtures with a mortar and ...
  9. 14. A more reactive metal will ... a less reactive one.