Which of the following chemical compounds, that is used as a food preservative in some snacks and beverages, retains their natural colour and protects against bacteria?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Potassium meta bisulphite.
Potassium metabisulphite is a chemical compound used as a food preservative and additive that helps maintain the natural color of food and prevents bacteria growth.
Other chemical compounds used as food preservatives include:
Sodium benzoate
Sodium metabisulphite
Butylated hydroxyanisole
Benzoic acid