GTU IMP Material With GTU IMP Question Bank And Solution For Applied chemistry Chapter Polymers, Elastomers, And  Insulating Material And Applied chemistry Quiz


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Chemistry|Chapter Polymers,Elastomers, And  Insulating Material Q & A

 1. The monomer unit of P.V.C. is __________ .

  Answer : CHâ‚‚ = CHCl

 2. _____________ is a co-polymer.

 

   Answer : Buna - S

 

 3. Which of the following substance is mixed with L.P.G. to get odour to it ?

 

   Answer : Propane

 

 4. Major constituent of C.N.G. is __________ .

 

   Answer : Methane

 

 5. ________ is used for the vulcanization of rubber. 

 

   Answer : S

 

 6. ___________ polymer is used in the manufacture of sweater ?

 

   Answer : Orlon

 

 7. Which is the monomer of orlon ? 

 

   Answer : Vinyl cyanide 

 

 8. Hard rubber is also known as ______ .

 

   Answer : Ebonite

 

 9. From the following which is an example for elastomer ?

 

   Answer : Buna- S

 

 10. Bakelite is obtain by the reaction between phenol and __________ .

 

   Answer : Formaldehyde

 

 11. Fâ‚‚C = CFâ‚‚ is a monomer of which substance ?

 

   Answer : Teflon

 

 12. Melamine is a _________ polymer.

 

   Answer : Thermosetting plastic

 

 13. Bakelite is a _________ polymer. 

 

   Answer : Cross-linked

 

 14. Which polymer is formed by condensation polymerization ?

 

   Answer : Nylon

 

 15. Which plastic can be remoulded on heating?

 

   Answer : Thermosetting plastic

 

 16. The process in which unsaturated one or two types of monomers combine with each other to from a polymer is called ____________ polymerization.

 

   Answer : Addition

 

 17. Nylon is made up of _________ and ____________ monomers.

 

   Answer : Hexamethylenediamine and adipic acid

 

 18. Which is an artificial polymer ?

 

   Answer : Cotton

 

 19. Phenol and formaldehyde are the monomers of ___________ .

 

   Answer : Bakelite 

 

 20. What is prepared from bisphenol and epichlorohydrin ?

 

   Answer : Epoxy resin

 

 21. In the vulcanization of rubber if ________ % sulphur is added, then soft rubber is obtained.

 

   Answer : 5 to 30 %

 

 22. Which metal oxide is added to improve the physical properties of neoprene rubber ?

 

   Answer : ZnO or MgO 

 

 23. The density of glass wool is ________ kg/m³.

 

   Answer : 80 

 

 24. Ethylene is a _________ polymer. 

 

   Answer : Linear 

 

 25. Monomer of polyethylene is _______________ .

 

  Answer : Ethylene

 

 26. P.V.C. is ___________ plastic.

 

   Answer : Thermoplastic

 

 27. What is monomer of Teflon ?

 

   Answer : Tetrafluoro ethylene

 

 28. Phenol formaldehyde polymer is also known as ________. 

 

   Answer : Bakelite

 

 29. Monomer of natural rubber is ________.

 

   Answer : Isoprene

 

 30. Select natural polymer in below.

 

   Answer : P.V.C.

 

 31. From the following which is an example for elastomer ?

 

   Answer : Buna- S

 

 32. The commercial name of epoxy resin is ____________ .

 

   Answer : Araldite 

 

 33. From the following which is the example for addition polymerization ?

 

   Answer : Polyethylene

 

 34. Which type of polymer is used in the manufacture of tyre ?

 

   Answer : Rubber 

 

 35. Which type of polymer is -A-A-A-A-A-A-A-A- ?

 

   Answer : Linear polymer

 

 36. Nylon-66 is prepared by ____________ polymerization.

 

   Answer :  Condensation 

 

 37. _____________ is natural fibre ?

 

   Answer : Silk

 

 38. Which of the following polymer is used for preparing rain-coats ?

 

   Answer : P.V.C. (Polyvinyl chloride)

 

 39. Which monomers are present in Orlon ?

 

   Answer : Vinyl chloride

 

 40. The density of thermocole is ___________ kg/m³.

 

   Answer : 22