Q5 / 150 · MHT CET 2010 · Chemistry

Potassium metabisulphite is a(an)

  • A
    preservative
  • B
    antioxidant
  • C
    artificial sweetener
  • Correct answer
    D
    Both (a) and (b)

Solution

Potassium metabisulphite, $\mathrm{K}_{2} \mathrm{~S}_{2} \mathrm{O}_{5}$, is a white crystalline solid with pungent odour of sulphur. It is used as an antimicrobial preservative, antioxidant and bleaching agent in food.

Hence, the correct answer is option: 'D'.

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