Why sealed packets of biscuits and namkeen do not spoil fast ?
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Sealed packs of biscuits and namkeen do not spoil fast because their is no entry or exit of air. Due to no contact of biscuits with entered air they do not spoil fast.
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sealed packets of biscuit do not spoil fast. The packet that seals them prevents the entry of air and other micro organisms.
The biscuits thus do not come into contact with any moisture which would bring about favorable conditions for the breeding microbes .
preservatives have also been added to these products to increase their shelf life.
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