Tanning of leather is – InterviewSolution

1.	Tanning of leather is
Answer» colouring of LEATHER by CHEMICALS drying PROCESS to make the leather hard polishing of leather to make it took attractive HARDENING of leather by COAGULATION Solution :Tannin obtained from plants contains negatively charged colloidal particles. Animal hides contain positlvely charge darticles. When they are socked in tannin, mutual coagulation takes and leather becomes hard.

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