Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Which of the following fibres are made of polyamides? (1) Wool (2) Natural silk (3) Artificial silk (4) TeryleneA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: B
Solution :
Wool and natural silk are polypeptide (proteins) and thus have amide linkages. Artificial silk is a polysaccharide while terylene is a polyester.
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