Which of the following is used as a preservative to protect processed food?
A. Sodium sulphate
B. Saccharin
C. BHT
D. Sodium metabisulphite
Answer: Option D
Solution (By Examveda Team)
Sodium metabisulphite is used as a preservative to protect processed food.This Question Belongs to General Knowledge >> Chemistry
Sodium metabisulfite or sodium pyrosulfite is an inorganic compound of chemical formula Na₂S₂O₅. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent