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Chemical formula of potassium metabisulphite is
Answer & Solution
Correct Answer:
Option
B
Potassium metabisulphite is also known as potassium pyrosulphite, it is a white crystalline powder with the chemical formula K2S2O5.
It can be prepared by treating a solution of potassium hydroxide with sulphur dioxide.
It is mainly used as an antioxidant or chemical sterilant, a food additive
It can be prepared by treating a solution of potassium hydroxide with sulphur dioxide.
It is mainly used as an antioxidant or chemical sterilant, a food additive
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