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Standard VIII
Chemistry
Nylon
Question

Which of the following statement is true?
  1. A nylon thread is stronger than a steel wire
  2. Rayon is a natural fibre made from wood pulp
  3. Cotton is not a polymer
  4. Fabric made from polyester can get wrinkles easily

A
A nylon thread is stronger than a steel wire
B
Rayon is a natural fibre made from wood pulp
C
Fabric made from polyester can get wrinkles easily
D
Cotton is not a polymer
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Solution
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A. Nylon thread is stronger than steel wire because nylon fibre is made up of strong bonds (amide linkages) which give it strength.
B. Rayon is a regenerated fibre so it is not natural.
C. Cotton is a polymer of cellulose.
D. Polyester materials are wrinkle-free.
Hence, the correct option is A

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