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Potassium sulphite is used in preserving...

Potassium sulphite is used in preserving squashes and other mildly acidic foods due to.

A

Potassium salt preservation action

B

Potassium metabisulphite prevents oxidation

C

Potassium metabisulphite is not influenced by acid

D

Sulphur dioxide and sulpurous acid formed kill bacteria and germs

Text Solution

Verified by Experts

The correct Answer is:
D
`K_2 S_2O_5 to K_2SO_3 +SO_2`
`SO_2 + H_2O to H_2SO_3`
`SO_2` are sulphurous acid `(H_2SO_3)` kill the bacteria and prevent the decay of food.
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