Sulfur dioxide
Sulfur dioxide (also sulphur dioxide, sulfurous anhydride or sulphurous anhydride) has the chemical formula SO2. The gas is irritating to the lungs and is frequently described as smelling of burning sulfur.
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It is produced by volcanoes and in various industrial processes. In particular, poor-quality coal and petroleum contain sulfur compounds, and generate sulfur dioxide when burned: the gas reacts with water and atmospheric oxygen to form sulfuric acid (H2SO4) and thus acid rain.
Related Topics:
Volcano - Coal - Petroleum - Sulfuric acid - Acid rain
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~ Table of Content ~
| ► | Introduction |
| ► | Preparation |
| ► | Uses |
| ► | Emissions |
| ► | See also: |
| ► | External links |
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