Acid Rain & Limestone Corrosion

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Across
  1. 4. : Process where sulfur dioxide is converted to sulfur trioxide in the atmosphere.
  2. 6. ION : Ion produced when acids dissolve in water.
  3. 7. : Instrument used to detect gases like sulfur dioxide using infrared light.
  4. 8. ACID : Acid formed when sulfur dioxide oxidises in the atmosphere.
  5. 10. DIOXIDE : Gas produced from burning fossil fuels; formula is SO₂.
  6. 11. : Acid rain has a pH lower than this number.
Down
  1. 1. DIOXIDE : Gas released when limestone reacts with acid rain.
  2. 2. : Building material made mainly of calcium carbonate.
  3. 3. : The slow wearing away of buildings due to chemical attack.
  4. 5. RAIN : Rainwater contaminated by acids formed from atmospheric pollution.
  5. 9. SULFATE : Solid sulfate product formed when limestone reacts with sulfuric acid.