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(a)Pickles have a long shelf life and do not get spoiled for months, why ? (b)Name an artificial sweetener which is derviative of sucrose. (c )Sodium salts of some acids are very useful as food preservatives. Suggest a few such acids.

Answer» Plenty of salt and cover of oil act as preservatives. These do not allow moisture and air to enter the material and hence bacteria cannot thrive on them. Therefore, pickles do not get spoiled for months together.


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