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Class 12 Chemistry (Part Ii) Chapter 15 Polymers Quiz 14 (52 MCQs)

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1. One disadvantage of Injection Molding is
2. The combination of Non-metal + Hydrogen is called Non metal hydride, but it can be also called
3. Which of the following category does cellulose nitrate fall into?
4. Plastics are made of .....
5. Which is not an environmental advantage of recycling?
6. What is the impact of cross-linking in polymers?
7. What is the name of the polymer formed from the monomer butane?
8. Enthalpic interactions can include both attractive and repulsive forces between objects
9. Synthetic polymers tend to have ..... melting points
10. What would be the name of the polymer made from many CH2=CH-Cl monomers joined together?
11. Step in polymerization in which the active species are created is called .....
12. This polymer is used in most modern classical guitar strings
13. Which monomer makes up phospholipids?
14. The carbon-carbon single bond (-C-C-) which links each monomer unit together is known as?
15. Process of making rubber more durable
16. Which of the following monomers are unsuitable for condensation polymerization?
17. A thermoplastic polymer will be ..... below its glass transition temperature.
18. Which of the following types of chains would be found in a thermo plastic?
19. Which type of chain would be found in a thermosetting plastic?
20. What does 'brittle' mean?
21. A ..... is a large molecule made by combining many smaller molecules
22. A single unit that can bond to other single units to form a polymer is a:
23. The name of the MgCO$_{3}$$_{ }$compound is .....
24. A problem with modern composites is that they
25. What is the relationship between MONOMERS and POLYMERS?
26. An elastomeris a polymer that
27. Monomer formed by the hydrolysis of polypeptides
28. Polymer classification based on structure are ..... EXCEPT
29. ..... is a binder or polymer material which holds the different constituents together.
30. Polymers are made of repeating units called
31. Commercial name of PAN is
32. What is the definition of a composite?
33. "Compliant" in polymeric science means "ductile" . What other synonym means the same as "compliant" (in any context)?
34. Bakelite is obtained from phenol by reaction with $_{ }$
35. Polymer used in the manufacture of non breakable crockry
36. A type of fiber found in plant cell walls. It's formed by chains of glucose molecules.
37. The polymer used in orthopedic devices and in controlled drug release is
38. What is the shape of the specimen cut for performing the experiment?
39. Which polymer is used in the production of non-stick cookware coatings?
40. A hobbyist is looking to build a lightweight model airplane. Which of the following plastics would be the ideal choice for this project?
41. Suggest why polyesters degrade faster when buried in landfill than addition polymers
42. Terylene is made by reacting benzene-1, 4-dicarboxylic acid and ethane-1, 2-diol.Terylene is
43. CHECK ALL THAT APPLY!The following macromolecules contain Phosphorus:
44. Thermosets cannot be remolded a second time
45. What are the products when a hydrocarbon reacts with oxygen gas?
46. The break up of polymer molecules into their monomer is called
47. What are the building blocks of polymers called?
48. What best describes thermoplastics?
49. True or False:Polysaccharides are naturally polymerizered sugars.
50. The following are the properties of crystalline polymers EXCEPT?
51. What is the main use of Polyurethane?
52. ESC is accelerated due to
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