We often find small packets of silica gel in food packs, leather and electronic goods. then what is silica gel. why are these little packets of silica kept in leather products. what property of silica gel is the reason for its extensive use. what are hygrosopic substance
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The reason is that silica gel is a hygroscopic substance and it absorbs moisture from those perishable goods to make them dry and increase their shelf life. Hygroscopic substances are those which absorb moisture but doesn't dissolve in it by itself.
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