What Is Silica Gel? Write its two uses. | web4study

What Is Silica Gel? Write its two uses.

Silica Gel:

When an acid is added in a solution of a water glass, it turns into a jelly-like substance with formula S1 O2  nH20. On complete dehydration 9f this gel by heating, the hard porous material is obtained known as Silica gel.

Uses of Silica gel:

(i) As silica gel can absorb vapours and gases, its small bags are kept in medicine packing to prevent spoilage by water vapour.

(ii) Silica Jel is also used to recover valuable vapours from industrial effluents and in the refining of petroleum.

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