Multiple choice

Which of the following is used as preservative for food?

  1. Ferric chloride

  2. Alum

  3. Sodium benzoate

  4. Salicylic acid
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sodium benzoate is a widely used food preservative, especially in acidic foods like fruit juices, pickles, and soft drinks, as it inhibits the growth of mold and bacteria.

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