Which one of the following is used as preservative for foodstuff ? A. Sodium Benzoate B. Picric acid C. Glycerine D. Sodium Chloride

The correct answer is A. Sodium Benzoate.

Sodium benzoate is a food preservative that is used to prevent the growth of bacteria and fungi. It is a white, crystalline powder that is soluble in water. Sodium benzoate is found in many different types of food, including soft drinks, jams, jellies, and pickles. It is also used in cosmetics and pharmaceuticals.

Picric acid is a yellow, crystalline solid that is used as a dye and explosive. It is not a food preservative.

Glycerine is a colorless, odorless, viscous liquid that is used as a humectant, lubricant, and solvent. It is not a

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