What is the basis of long life of pickles and jams? What lesson one gets from

this fact?

The basis of long life of pickles and jams is PRESERVATION.

As pickles are preserved byadding oil and vinegarand jams are preserved by adding sugar and some common preservatives like sodium benzoate and sodium metabisulphite.

Therefore, the lesson one gets from this fact is that some microorganisms canattack and spoil the food but there are ways to prevent the food from being spoiled by microorganisms by using the method of PRESERVATION.

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As pickles contain some amount of salt,sugar lemon it is hypertonic solution.the pickles will not spoil if any other cell falls in it as it is hypertonic solution.
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