Which of the following is used as disinfectant?

Which of the following is used as disinfectant?
  1. Bithional
  2. Novestrol
  3. Sulphur dioxide
  4. Cloroxylenol

Solution

Although its chief uses are in the preparation of sulfuric acid, sulfur trioxide, and sulfites, sulfur dioxide also is used as a disinfectant, a refrigerant, a reducing agent, a bleach, and a food preservative, especially in dried fruits.

Asked in: MHT CET 2020 (13 Oct Shift 1)

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