24. Give reasons : (i) (ii) Vacuum packing is commonly used for storing nuts. Even pasteurized milk needs to be stored under refrigeration. (iii) A small amount of citric acid and phosphoric acid is added to fruit drinks.
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Explanation:
vaccum packing is commonly used for storing mother because vacuum packing reduce atmospheric pressure , limiting the growth of aerobic bacteria of fungi and preventing the evaporation of volatile components
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