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| 1. |
We oftenfindsmallpacketsofsilicagelin foodpacksleatherandelectronicgoods .Whatare hygroscopicsubstances ? |
| Answer» SOLUTION :Certainsubstances, whenexposedtothe atmosphereat ordinarytemperatureabsorbmoisture withoutdissolvingit .Hygroscopicsubstancesdo NOTCHANGE itsstateon exposureto AIR . | |