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  • Which of the following substances can act as a protective colloid for gold sols?Option: 1 Gelatin  

Which of the following substances can act as a protective colloid for gold sols?

Option: 1

Gelatin
 


Option: 2

NaCl
 


Option: 3

Ethanol


Option: 4

Sodium hydroxide


Answers (1)

Gelatin is an example of a protective colloid that can stabilize gold sols by adsorbing onto the surface of gold particles and providing steric stabilization.

Hence option 1 is correct.

Posted by

Ramraj Saini

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