Multiple choice

Disinfectant are the chemicals used to kill or eliminate microorganisms. The acid used as reducing agent and as disinfectant is

  1. sulphurous acid

  2. disulphurous acid

  3. thiosulphuric acid

  4. peroxydisulphuric acid
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A Correct answer
Explanation

Sulphurous acid is the chemical compound with the formula H2SO3. It is used as reducing agents and as disinfectants.They are also mild bleaches, and are used for materials which may be damaged by chlorine-containing bleaches.

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