Linked from
The 13 pages that link to Silica gel, each with the reason it gives.
Stationary phaseRelated: Its surface silanol groups make it a common polar stationary phase.
DesiccantBroader topic: It is a familiar reusable desiccant in packets and storage containers.
DesiccationBroader topic: It is a widely used desiccant in packages and moisture-control systems.
HygroscopyBroader topic: Its porous surface adsorbs water vapor in packaging and storage.
Sodium silicateRelated: Acidifying sodium silicate solution can produce a silica-rich gel.