Chemistry, asked by neiwonwann483, 9 months ago

why leather gets hardned after tanning

Answers

Answered by ak9456388

Answer:

Leather gets hardened after tanning. Animal skin (hide) is colloidal in nature and has positively charged particles, whereas tanning consists of negatively charged colloidal particles. When a hide is soaked in tanning, mutual coagulation takes place and as a result, leather gets hardened.

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