POLYMERS
Understanding Polymers Quiz
Test your knowledge on the fascinating world of polymers with our comprehensive quiz. Whether you're a student, teacher, or simply curious about polymers, this quiz covers various aspects, from monomers to different types of polymerization.
- 41 multiple choice questions
- Assess your understanding of polymer chemistry
- Engaging and informative
1. A simple molecule having two or more bonding sites through which each can link to other to form a polymer chain is called……………………….
Polymer
Monomer
Initiator
All of these
2.The total number of functional groups or bonding sites present in a monomer molecule is called……..………………..
A) Functionality
B) Degree of polymerization
C) Molecular weight
D) Polymer
3..……………………is defined as the number of repeating units in a polymer chain.
A) Functionality
B) Degree of polymerization
C) Molecular weight
D) Monomer.
4.A polymer formed by linking of bifunctional monomer units is called………………………….
A) Branched chain polymer
B) Cross linked polymer
C) Graft copolymer
D) Linear polymer
5. Copolymer having one kind of monomers in their main chain and another kind of monomers in their side chain is called………………………..
A) Block copolymers
B) Graft copolymer
C) Cross linked polymer
D) None of these
6.The head to tail configuration, in which the substituent groups are all on the same side of the chain is called………………………polymer.
A) Isotactic
B) Syndiotactic
C) Atactic
D) None of these
7.If the arrangement of substituent groups are alternately on both sides of the polymer chain, then it is called…………………………..
A) Isotactic
B) Syndiotactic
C) Atactic
D) None of these
8. .…………………………polymerization process takes place by linking together of monomer molecules and is accompanied by without elimination of small molecules like H2O, NH3 etc.
A) Substitution
B) Addition
C) Condensation
D) None of these
9.A polymerization which is brought by linking together of similar unsaturated molecules is called………………………
A) Co-polymerization
B) Addition polymerization
C) Condensation polymerization
D) None of these
10.Name the initiator used in addition polymerization.
A) Dibenzoyl peroxide
B) Nylon
C) Adipic acid
D) PVC
11.Tg of PVC is higher than Polyethylene because ……………………………..
A) Increase in freedom of C-Cl bond rotation
B) Strong polar attraction between the molecules
C) Higher free volume in PVC
D) Flexible backbone
12.Glass transition temperature of Polyethylene is lesser than polypropylene because…….
A) Flexible backbone
B) Higher molecular mass
C) Strong polar attraction
D) None of these
13.Thermoplastics exhibits plasticity. Why?
A) Polymer molecules are held together by secondary forcers
B) Polymer molecules are held together by primary covalent bonds
C) Polymer molecules are held together by coordination bonds
D) All of these
14.Plexiglass is obtained by subjecting methylmethacrylate to …………..polymerization.
A) addition
B) condensation
C) substitution
D) None of these
15.Polymer which is used in manufacture of safety goggles is……………………..
A) Polycarbonate
B) Polyurethane
C) Phenol-formaldehyde
D) Silicone rubber
16. Isoprene is a monomer of…………………………… ..
A) Natural rubber
B) Synthetic rubber
C) Starch
D) PVC
17.Natural rubber is the polymerized form of …………………………….
A) Neoprene
B) Isoprene
C) Guttapercha
D) Chloroprene
18.A plastic which can be softened on heating and hardened on cooling is called……………………..
A) Thermoelastic
B) Thermoplastic
C) Thermosetting
D) Thermite
19.Which one of the following is an elastomer?
A) PVC
B) Bakelite
C) Natural Rubber
D) Nylon
20.Which of the following is a synthetic polymer
A) Cellulose
B) PVC
C) Proteins
D) Nucleic acids
21.Functionality of phenol is ………………
A) One
B) Two
C) Three
D) Four
22.Functionality of formaldehyde is ………………..…….
A) One
B) Two
C) Three
D) Four
23.Polymer composites are made of two components, namely……………………………
A) Fibre and matrix
B) Matrix and silicone
C) Fibre and butyl rubber
D) All of these
24.Carbon fibre is obtained from heating ……………………….
A) Polyvinylchloride
B) Polyvinyl alcohol
C) Polymethylmethacrylate
D) Polyacrylonitrile
25.Which one is not a copolymer?
A) Butyl rubber
b) Plexiglass
C) Polyurethane
D) Epoxy resin
26.Epoxy resin prepared by the condensation of ……………..
A) Epichlorohydrin and Bisphenol-A
B) Epichlorohydrin and Diphenyl carbonate
C) Bisphenol-A and Diphenyl carbonate
E) Epichlorohydrin and Butane diol
27.In oxidative doping of conjugated polymer, the removal of an electron from pi-system of the backbone producing free radical and a positive charge is called……………………….
A. Cation
B. Anion
C. Polaron
D. Soliton
28.Polyaniline is considered as one of the most useful conducting polymer because of ………………….. …… the backbone producing free radical and a positive charge is called……………………….
A) Its ease of preparation
B) Stability under aqueous condition
C) facility to fine-tune electrical, optical and chemical properties
D) All of these
29.A conjugated polymer consists of…………………………..
A) Only double bonds
B) Only single bonds
C) Alternating double and single C-C bonds
D) Triple bonds
30.Rubber that is used for making cycle and automobiles tubes is…………………………
A) Buna- S
B) Butyl rubber
C) Silicone rubber
D) Neoprene rubber
31.A silicone rubber is formed by the condensation polymerization of………………………..
A) Dimethyl silanol
B) Dimethyl chlorosilane
C) Dichlorosilanol
D) Dichlorosilane
32.One of the important uses of polymethylmethacrylate is………………………..
A) Cushions for furniture
B) Glazing automobiles and airplanes
C) Lubricants
D) Light weight boat hulls
33.Polymer with large number of aromatic groups commonly dissolve in…………………
A. Polar solvents
B. Nonpolar solvents containing aliphatic groups
C. Nonpolar solvents containing aromatic groups
D. Nonpolar solvents containing halide groups
34.Greater the degree of cross linking ………………will be the solubility.
A) greater
B) lesser
C) same
D) none of these
35.Guttapercha rubber is basically a polymer of …………………..
A) propylene
B) isoprene
C) ethylene
D) chloroprene
36.Condensation polymerisation of epichlorohydrin and bisphenol-A in the presence of alkali gives…………………
A) Polyacetylene
B) Polyaniline
C) Epoxy resin
D) Polycarbonate
37.If degree of polymerization of polyethylene is 100, the molecular weight is…………..
A) 2000
B) 2500
C) 2700
D) 2800
38.Guttapercha is an example for…………………………polymer
A) Isotactic
B) Syndiotactic
C) Atactic
D) Cross linked
39.Polycarbonate is prepared by the condensation of bisphenol-A and ……………….
A) Epichlorohydrin
B) Methylmetharylate
C) Diphenylcarbonate
D) Phenol
40.A polymeric substance used to bind together two or more similar or dissimilar material is referred as…………….……
A) Elastomer
B) Composite
C) Adhesive
D) Lubricant
41. …………..is used as Fibre material in polymer composite.
A) Kevlar
B) Epoxy resin
C) Cyclopentadiene
D) Butyl rubber
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