Sulphur dioxide is a reducing agent and is used for bleaching and as a fumigant and food preservative.
Large quantities of sulphur dioxide are used in the contact process for the manufacture of sulphuric acid.
Sulphur dioxide is used in bleaching wool or straw, and as a disinfectant.
Liquid sulphur dioxide has been used in purifying petroleum products
It is used as a bleaching agent.Miss all the students