Sulphuric Acid

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Across
  1. 1. air, sulphur and water.
  2. 5. preserve food and drinks, serves as antioxidant.
  3. 7. thick liquid
  4. 8. sulphur added to tyres to make it harder.
  5. 10. an absorber.
  6. 11. SO2 prepared by burning sulfur in excess air.
  7. 12. chemical formula for sulfuric acid.
Down
  1. 2. sulfur dioxide to sulfur trioxide.
  2. 3. environmental consequence of sulfuric acid in rivers and lakes.
  3. 4. key raw material in the sulphuric acid production.
  4. 6. bright yellow substance used in fertilizers and pesticides.
  5. 9. environmental consequence of sulfur dioxide and sulfur trioxide escaping into the atmosphere.