Question

name the chemical substance that is used as preservative
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Answer 1

Answer:

Vinegar which is ethanoic acid also known as acetic acid is used in preservative as pickles.

Answer 2

Answer:

Benzoic acid in the form of its sodium salt, constitutes one of the most common chemical food preservative. Sodium benzoate is a common preservative in acid or acidified foods such as fruit juices, syrups, jams and jellies, sauerkraut, pickles, preserves, fruit cocktails, etc.