Gelatin acts as a protective colloid. Explain. – InterviewSolution

1.	Gelatin acts as a protective colloid. Explain.
Answer» Solution :Gold sol is a lyophobic colloid which are READILY precipitates with SMALL amount of electrolytes. But they can be stabilised by the ADDITION of small amount of lyophillic colloid like GELATIN. Thus gelatin acts as a PROTECTIVE colloid for gold sol.

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