Q464
Only two chemical preservatives permitted by FPO are
A.
Sodium benzoate and Potassium meta-bisulphate
AnswerB.
Sodium benzoate and copper sulphate
C.
Calcium carbonate and Sodium diazide
D.
Acetic acid and Sodium chloride
Answer: Option A
Solution
Answer: Option A
Solution:
Only two chemical preservatives permitted by FPO are Sodium benzoate and Potassium meta-bisulphate.Sodium benzoate is best known as a preservative used in processed foods and beverages to extend shelf life. It is an odorless, crystalline powder made by combining benzoic acid and sodium hydroxide.
Potassium metabisulfite, K2S2O5, also known as potassium pyrosulfite, is a white crystalline powder with a pungent odour. It is mainly used as an antioxidant or chemical sterilant.