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In What Forms Can Sulphur Dioxide be used?

• Sulphur burned in air will form sulphur dioxide gas. (more)
  
  
• Sulphur dioxide (SO₂) is stored as a liquid in steel bottles under pressure. (more)
  
  
• Sodium or potassium metabisulphite ( Na₂S₂O₅ ) or ( K₂S₂O₅ ) are solid crystalline powders, and release sulphur dioxide on adding to juice, wine or acidified water. (more)