A) Nylon-66
B) Nylon-6
C) Buna-S
D) Bakelite
Correct Answer: A
Solution :
Nylon-66 is the common example of fibre, which is a polyamide. These have amide linkage \[\left[ -\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-NH- \right]\] in the chain.
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