Class 12 Chemistry Surface Chemistry Colloids, Emulsion, Gel and Their properties with application

Medium

Why does leather get hardened after tanning?

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Solution

(N/A) Animal hides are colloidal in nature. When a hide that has positively charged particles is soaked in tannin,the negatively charged colloidal particles undergo mutual coagulation. This results in the hardening of leather. This process is known as Tanning.

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Surface Chemistry

Subtopic

Colloids, Emulsion, Gel and Their properties with application

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