20. 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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Answer:
sodium hydroxide
Explanation:
sodium metabisulphate, sodium benzoate and citric acid are used as a food preservative where are sodium hydroxide is not used as a food preservative.
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~~~ Sodium hydrogen carbonate and cane sugar are not used as food preservatives....
b) sodium hydroxide ••••°°°
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