Which of the following are commonly used as food preservatives?

Boric acid and zinc phosphide

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Bleaching powder and chlorine compounds

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2, 4-D and zinc phosphide

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Sodium benzoate and sodium metabisulphite.

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Solution

The correct option is C Sodium benzoate and sodium metabisulphite.
Food preservatives are chemicals that are used to inhibit microbial growth in food. These chemicals are food additives and increase the shelf life of food. Sodium benzoate and sodium metabisulphite are the common food preservatives used in jams, jellies etc. Thus the correct answer is option D.

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Similar questions

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

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

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

I. Sugar

II. Sodium benzoate

III. Salt

IV. Sodium metabisulphite

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