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What is the application of a colloidal solution of silver bromide in gelatine?

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in Chemistry – Class 12 by (188k points)
What is the application of a colloidal solution of silver bromide in gelatine?

(a) Photography

(b) Rubber industry

(c) Leather industry

(d) Medicine

The question was posed to me in a national level competition.

This interesting question is from Surface Chemistry in division Surface Chemistry of Chemistry – Class 12

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Right choice is (a) Photography

For explanation I would say: A colloidal solution of silver bromide in gelatine is used in photographical devices. The colloidal solution is applied on glass plates, celluloid films or paper to form sensitive plates in photography.

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