Which of the following cannot be used as a food preservative ?

(a) sodium metabisulphite (b) sodium hydroxide (c) sodium benzoate (d) citric acid

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Solution

Option (c) sodium benzoate

Sodium benzoate is a preservative, It is most widely used in acidic foods such as salad dressings (i.e. acetic acid in vinegar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles (acetic acid), and condiment.

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Similar questions

Rita wants to make mango jam, what should she use to preserve the jam?

I. Sugar

II. Sodium benzoate

III. Salt

IV. Sodium metabisulphite

Why do we use chemicals such as sodium benzoate and sodium meta-analysis bisulphate as chemical preservatives? Why don't other chemicals?

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