Textile Engineering > GATE 2010 > Viscose Rayon
In the context of viscose fibre production, choose the correct statement.
A
Ageing is an oxidative polymerization step
B
The coagulation bath requires acid for regeneration of cellulose
C
Ripening is carried out just before xanthation process
D
Xanthation is necessary for converting cellulose to alkali cellulose

Correct : b

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