NEET Chemistry - New - Polymers

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Question - 1

Regarding cross-linked or network polymers, which of the following statement is incorrect?

  • A Examples are bakelite and melamine
  • B They are formed from bi- and tri-functional monomers
  • C They contain covalent bonds between various linear polymer chains
  • D They contain strong covalent bonds in their polymer chains.

Question - 2

Which one of the following structures represents nylon 6, 6 polymer?

  • A
  • B
  • C
  • D

Question - 3

Natural rubber has :

  • A alternate cis-and trans-configuration
  • B random cis- and trans-configuration
  • C all cis-configuration
  • D all trans-configuration

Question - 4

Caprolactam is used for the manufacture of :

  • A teflon
  • B terylene
  • C nylon 6, 6
  • D nylon 6

Question - 5

Which one of the following is an example of thermosetting polymer?

  • A
  • B
  • C
  • D

Question - 6

Which of the following organic compounds polymerized to form the polyester Dacron?

  • A Propylene and para HOー(C6H4)ーOH
  • B Benzoicacid and ethanol
  • C Terephthalic acid and ethylene glycol
  • D Benzoic acid and para HOー(C6H4)ーOH

Question - 7

Which is the monomer of neoprene in the following?

  • A
  • B CH2 == CH一C ≡ CH
  • C CH2 == CH一CH ≡ CH2
  • D

Question - 8

Which of the following statements is false?

  • A Artificialsilk is derived from cellulose.
  • B Nylon-6, 6 is an example of elastomer.
  • C The repeat unit in natural rubber is isoprene
  • D Both starch and celluloseare polymer of glucose.

Question - 9

Which one of the following sets forms the biodegradable polymer?

  • A CH2 == CH一CN and CH2 == CN-CH == H2N-CH2-COOH and H2N-(CH2h-COOHCH2
  • B H2NーCH2ーCOOH and H2Nー(CH2)5ーCOOH
  • C
  • D

Question - 10

Out of the following which one is classified as polyester polymer?

  • A Terylene
  • B Bakelit
  • C Melamine
  • D Nylon-6,6