Question

Potassium metabisulphite is a (an)

• A. preservative
• B. antioxidant
• C. artificial sweetener
• D. Both (A) and (B)

Answer 1

Answer: (D)

Both (A) and (B)

Answer 2

Potassium metabisulphite, $K_2S_2O_5,$ is a white crystalline solid with pungent odour of sulphur. It is used as an antimicrobial preservative, antioxidant and bleaching agent in food.

So, the correct answer is (D): Both (A) and (B)