CLASS XII IMPORTANT CHEMISTRY POLYMERS ONE WORD QUESTION ANSWER

1. What is the name given to the process of formation of polymers from respective monomers?

2. Identify the type of polymer.

           A-B-B-A-A A-B -A
3. Name the polymer used for making non-stick utensils.
4. Which polymer is used in making commercial fibres as orlon or acrilan?
5. Natural rubber is heated with sulphur to make it more elastic and hard. What is the process known as?
6. Name the polymer obtained by condensation polymerization of ethylene glycol and terephthalic acid.
7. Name the polymer used for making automobile tyres.
8. Which free radical generating initiator is used in the polymerization of ethene?
9. Which linear polymer is used in paints?
10. Name the polymer having phthalic acid and ethylene glycol as its monomers.
11. Give the name of monomer of Teflon.
12. Give an example of a condensation polymer,
13. Give an example of branched chain polymer.
14. What type of bonds are present between linear polymeric chains in cross-linked polymers?
15. Which of the following polymer can be easily moulded on heating?
Polystyrene, Polyester, Neoprene, Teflon
16. Out of LDP and HDP, which is more flexible?
17. Name the addition polymer of acrylonitrile.
18. What is the full form of PTFE?
19. Give an example of biodegradable aliphatic polyester.
20. Write the name of monomer of neoprene.
21. What is the functionality of adipic acid?
22. Name a synthetic polymer, which is an amide
23. Can an enzyme be called a polymer?
24. In which of the following polymer, intermolecular forces are weakest?
Terylene, Polythene. Neoprene.
25. Which is the thermosetting polymer that is used for making switch boards?
26. On the basis of forces between their molecules in a polymer, to which class does nylon-6,6 belong?
27. Give an example of an elastomer used for storing oil and solvents.
28. Which of the following is a fibre?
      Neoprene, Nylon, PVC.



ANSWERS
1. Polymerization                  4. Polyacrylonitrile (PAN)                      2. Copolymer
3. Teflon                                6. Terylene or Dacron                           7. Buna-S
5. Vulcanization                    9. Novolac                                            13. Low density polythene
11. Tetrafluoroethene           14. Covalent                                          8. Benzoyl Peroxide
10. Glyptal                           12. Nylon-6,6                                       15. Polystyrene
18. Polytetrafluoroethene     22. Nylon-6,6                                      17. Polyacrylonitrile
20. Caprolactam                  16. LDP                                               19. PHBV
21. Chloroprene                   23. Yes                                                27. Buna-N
24. Neoprene                       25. Bakelite                                         26. Fibres
28. Nylon