Acid rain revision

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Across
  1. 1. _________ and sulfur causes gases that lead to acid rain
  2. 6. A chemical that has a pH 8-14
  3. 7. A paper that turns blue or red dependent on if you put it in an acid or alkali
  4. 8. The chemicals that are on the right of a chemical reaction
  5. 9. The hazard symbol on acids that can damage surfaces or skin.
  6. 10. A mixture created when a solid dissolves into a liquid
  7. 12. A chemical that has a pH of 7
  8. 13. The chemicals that are on the left of a chemical equation
Down
  1. 2. The type of reaction that occurs when an acid is added to an alkali
  2. 3. A device put into car exhausts that converts harmful exhaust gases to less harmful ones
  3. 4. A type of stone that gets eroded by acid rain.
  4. 5. A chemical that is used to test pH
  5. 11. The colour of a neutral solution