Sulphur dioxide

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Sulphur Dioxide

Sulphur Dioxide (pronounced: /ˈsʌlfər daɪˈɒksaɪd/), also known as SO2, is a chemical compound with the formula SO2. It is a toxic gas with a pungent, irritating smell, released by volcanoes and in various industrial processes.

Etymology

The term "Sulphur Dioxide" is derived from the Latin word "sulphur", meaning "to burn", and the Greek word "dioxide", meaning "two oxygen", referring to the two oxygen atoms in the molecule.

Properties and Uses

Sulphur Dioxide is a colorless gas with a strong, suffocating odor. It is soluble in water and alcohol. It is used in a variety of applications, including as a preservative for dried fruits, in winemaking to prevent oxidation and bacterial spoilage, and as a bleaching agent for paper and textiles.

In the environment, Sulphur Dioxide can combine with water to form Sulphuric Acid, a major component of Acid Rain. It is also a significant air pollutant, contributing to respiratory problems and other health issues.

Related Terms

  • Sulphur: A chemical element with the symbol S and atomic number 16.
  • Oxygen: A chemical element with the symbol O and atomic number 8.
  • Sulphuric Acid: A strong acid made by oxidizing solutions of Sulphur Dioxide.
  • Acid Rain: Rainfall made sufficiently acidic by atmospheric pollution.

Health Effects

Exposure to Sulphur Dioxide can cause a range of health problems, including breathing difficulties, coughing, and tightness in the chest. Long-term exposure can lead to chronic respiratory conditions like Asthma and Bronchitis.

See Also

External links

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