CBSE Guess > Papers > Important Questions > Class XII > 2007 > Chemistry > Polymers

Polymers

1. Give one example of a synthetic polymer.
2. Name the monomers which is used to prepare dacron
3. Bakelite is an example of which polymer
4. What is polyisoprene
5. Give an example of polydiene
6. Write the name of the polymer which is used for making automobile tyres
7. What is the monomer unit of neoprene
8. Give one example for each of the following : i. Natural polymer ii. Condensation polymer
9. For the synthesis of Buna-S which monomer is used.
10. Name a polymer used to make cups for hot drinks?
11. Give the chemical name of the Teflon?
12. Write the 3 polymers of amino acids.
13. Why is neoprene non-inflammable.
14. What is branched polymer.
15. What for Bu, na and S stand in Buna-S?
16. Name the monomer unit of polyester.
17. In human body which part contain glycogen.
18. Define Elastomer and thermoplastic.
19. Write one difference between chain growth polymerization and step growth polymerization. Give one example of each.
20. What is meant by copolymers? Illustrate with two example. Write equations for the prepration of any one of the two copolymers cited.
21. How is Nylon 6 obtained from Cyclohexane?
22. State:
    k. Cross linked polymer
    l. Addition polymer
    m. Biopolymers
    n. Fibres
    o. Polydispersive index
23. Name the substance that is used in manufacture of recording tapes.
24. Why are the tensile strength and melting point lower in branched chain polymers as compared to linear polymers.
25. Why plasticizers are added to plastics give reason with example in support of your answers
26. Name the polymer which is obtained by polymerization of ethylene dichloride.
27. Name the polymer of ethylene glycol and pthalic acid and also write its uses.
28. What is poly halo-olefins and how we can obtained it and give example
29. What is meant by Mass average molecular mass.
30. Write the mechanism of addition polymerization.
31. State : a. Rayon b. Resilience c. Glycogen
32. How are polymers classified on the basis of mode of addition of monomers to the growing chain.
33. What is the meant by copolymers.
34. Define:
    a. Free radical polymerization
    b. Cationic polymerization
    c. Anionic polymerization

1. Solid State
2. Solutions
3. Electrochemistry
4. Chemical Kinetics
5. P Blocks Element
6. D and F Block Elements
7. Coordination Compound
8. Nuclear Chemistry
9. Stereochemistry
10. Functional Group I
11. Polymers
12. Biomolecules
13. Chemistry In Everyday Life
14. Practice Paper 1
15. Practice Paper 2
16. Practice Paper 3