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To coagulate gelatin sol, which of the f...

To coagulate gelatin sol, which of the following is most effective ?

A

NaCl

B

`Na_(3)PO_(4)`

C

`AlCl_(3)`

D

Alcohol

Text Solution

Verified by Experts

The correct Answer is:
D
Gelatine is a lyophilic sol. When solvent such as alcohol is added to hydrophilic sol such as gelatine, the hydration of dispersed phase occurs.
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