NEET Chemistry Polymers / बहुलक Question Bank

done Self Evaluation Test - Polymers Total Questions - 50

• question_answer1)
  Which of the following is not an example of addition polymer?­­­
  A)
  Polystyrene        done clear
  B)
  Nylon done clear
  C)
  PVC                              done clear
  D)
  Polypropylene done clear
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• question_answer2)
  Which of the following is not a biopolymer?
  A)
  Proteins             done clear
  B)
  Rubber done clear
  C)
  Cellulose            done clear
  D)
  RNA done clear
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• question_answer3)
  Thermosets are:
  A)
  cross-linked polymers done clear
  B)
  don't melt or soften on heating done clear
  C)
  cross-linking is usually developed at the time of moulding where they harden reversibly done clear
  D)
  all of the above done clear
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• question_answer4)
  Which of the following statements is not correct for fibres?   
  A)
  Fibres possess high tensile strength and high modulus. done clear
  B)
  Fibres impart crystalline nature. done clear
  C)
  Characteristic features of fibres are due to strong intermolecularforces like hydrogen bonding. done clear
  D)
  All are correct. done clear
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• question_answer5)
  Perlon is
  A)
  Rubber              done clear
  B)
  Nylon-6 done clear
  C)
  Terylene            done clear
  D)
  Orion done clear
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• question_answer6)
  Which one of the following is a chain growth polymer?
  A)
  Nucleic acid      done clear
  B)
  Polystyrene done clear
  C)
  Protein              done clear
  D)
  Starch done clear
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• question_answer7)
  Structure of some important polymers are given. Which one represents Buna-S?
  A)
  \[-(C{{H}_{2}}-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,=CH-C{{H}_{2}}){{-}_{n}}\] done clear
  B)
  \[-(C{{H}_{2}}-CH=CH-C{{H}_{2}}-\underset{{{C}_{6}}{{H}_{5}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}){{-}_{n}}\] done clear
  C)
  \[-(C{{H}_{2}}-CH=CH-C{{H}_{2}}-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}){{-}_{n}}\] done clear
  D)
  \[-(C{{H}_{2}}-\overset{Cl}{\mathop{\overset{|}{\mathop{C}}\,}}\,=CH-C{{H}_{2}}){{-}_{n}}\] done clear
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• question_answer8)
  Low density polythene is prepared by
  A)
  Free radical polymerization done clear
  B)
  cationic polymerization done clear
  C)
  anionic polymerization done clear
  D)
  Ziegler-Natta polymerisation done clear
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• question_answer9)
  The polymer used for optical lenses is :
  A)
  polypropylene done clear
  B)
  polyvinyl chloride done clear
  C)
  polythene done clear
  D)
  polymethyl methacrylate done clear
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• question_answer10)
  Polymer used in bullet proof glass is
  A)
  lexan                             done clear
  B)
  PMMA done clear
  C)
  nomex               done clear
  D)
  kevlar done clear
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• question_answer11)
  Glyptals are chiefly employed in
  A)
  toymaking done clear
  B)
  surface coating done clear
  C)
  photofilm making done clear
  D)
  electrical insulators done clear
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• question_answer12)
  Which of the following is currently used as a tyre cord?
  A)
  Terylene            done clear
  B)
  Polyethylene done clear
  C)
  Polypropylene   done clear
  D)
  Nylon-6 done clear
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• question_answer13)
  The plastic household crockery is prepared by using
  A)
  melamine and tetrafluoroethane done clear
  B)
  malonic acid and hexamethyleneamine done clear
  C)
  melamine and vinyl acetate done clear
  D)
  melamine and formaldehyde done clear
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• question_answer14)
  Mark out the most unlike form of polymerization of \[C{{H}_{2}}=CH-CH=C{{H}_{2}}\]
  A)
          done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
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• question_answer15)
  The condensation of hexamethylenediamine with sebacoyl chloride at 525 K gives
  A)
  nylon-6, 20       done clear
  B)
  nylon-6, 01 done clear
  C)
  nylon-6, 10       done clear
  D)
  None of these done clear
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• question_answer16)
  Example of condensation polymer is
  A)
  Formaldehyde \[\to \] meta-formaldehyde done clear
  B)
  Acetaldehyde \[\to \] para-aldehyde done clear
  C)
  Acetone \[\to \] mesityl oxide done clear
  D)
  Ethene \[\to \] polyethene done clear
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• question_answer17)
  The mass average molecular mass & number average molecular mass of a polymer are 40,000 and 30,000 respectively. The polydispersity index of polymer will be
  A)
  <1                    done clear
  B)
  >1   done clear
  C)
  1                                  done clear
  D)
  0 done clear
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• question_answer18)
  Given the polymers (i) Nylon-6, 6; (ii) Buna-S; (iii) Polythene. Arrange these in increasing order of their inter-molecular forces (lower to higher)
  A)
  (i)>(ii)>(iii)        done clear
  B)
  (ii)>(iii)>(i) done clear
  C)
  (ii)<(iii)<(i)        done clear
  D)
  (iii)<(i)<(ii) done clear
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• question_answer19)
  What is the percentage of sulphur used in vulcanization of rubber?
  A)
  05% to 30%      done clear
  B)
  03% to 25% done clear
  C)
  10% to 20%      done clear
  D)
  05% to 25% done clear
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• question_answer20)
  Which of the following is used in vulcanization of rubber?
  A)
  \[{{S}_{8}}\]                done clear
  B)
  \[C{{F}_{4}}~\] done clear
  C)
  \[C{{l}_{2}}{{F}_{2}}~\]                     done clear
  D)
  \[{{C}_{2}}{{F}_{2}}~\] done clear
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• question_answer21)
  Which one of the following statement is not true?
  A)
  In vulcanization the formation of sulphur bridges between different chains make rubber harder and stronger. done clear
  B)
  Natural rubber has the trans -configuration at every double bond done clear
  C)
  Buna-S is a copolymer of butadiene and styrene done clear
  D)
  Natural rubber is a 1,4 - polymer of isoprene done clear
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• question_answer22)
  Which of the following organic compounds polymerizes to form the polyester Dacron?
  A)
  Propylene and para \[HO-({{C}_{6}}{{H}_{4}})-OH\] done clear
  B)
  Benzoic acid and ethanol done clear
  C)
  Terephthalic acid and ethylene glycol done clear
  D)
  Benzoic acid and para \[HO-({{C}_{6}}{{H}_{4}})-OH\] done clear
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• question_answer23)
  Biodegradable polymer which can be produced from glycine and aminocaproic acid is:
  A)
  PHBV                           done clear
  B)
  Buna-N done clear
  C)
  Nylon 6, 6         done clear
  D)
  Nylon 2-nylon 6 done clear
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• question_answer24)
  Caprolactum is used for the manufacture of:
  A)
  Nylon-6                         done clear
  B)
  Teflon done clear
  C)
  Terylene         done clear
  D)
  Nylon-6, 6 done clear
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• question_answer25)
  If a polythene sample contains two monodisperse fractions in the ratio 2 : 3 with degree of polymerization 100 and 200, respectively, then its weight average molecular weight will be:
  A)
  4900 done clear
  B)
  4600  done clear
  C)
  4300                 done clear
  D)
  5200 done clear
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• question_answer26)
  Synthetic polymer bakelite can be prepared from following compounds
  A)
  Styrene and vinyl chloride done clear
  B)
  Acrylonitrile and vinyl chloride done clear
  C)
  Adipic acid and ethylene glycol done clear
  D)
  Phenol and formaldehyde done clear
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• question_answer27)
  Among cellulose, polyvinyl chloride, nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is
  A)
  Nylon                            done clear
  B)
  Polyvinyl chloride done clear
  C)
  Cellulose            done clear
  D)
  Natural Rubber done clear
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• question_answer28)
  Which one of the following is an example of thermosetting polymers?
  A)
  Neoprene           done clear
  B)
  Buna-N done clear
  C)
  Nylon 6, 6         done clear
  D)
  Bakelite done clear
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• question_answer29)
  Which of the following polymer is a polyamide?
  A)
  Terylene            done clear
  B)
  Nylon done clear
  C)
  Rubber              done clear
  D)
  Vulcanised rubber done clear
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• question_answer30)
  Ebonite is a
  A)
  natural rubber done clear
  B)
  synthetic rubber done clear
  C)
  highly vulcanized rubber done clear
  D)
  polypropene done clear
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• question_answer31)
  Melamine plastic crockery is a condensation polymer of
  A)
  HCHO and melamine done clear
  B)
  HCHO and ethylene done clear
  C)
  melamine and ethylene done clear
  D)
  None of these done clear
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• question_answer32)
  Nylon 6,6 is a polyamide obtained by the reaction of
  A)
  \[COOH{{(C{{H}_{2}})}_{4}}COOH+N{{H}_{2}}{{C}_{6}}{{H}_{4}}N{{H}_{2}}-(p)\] done clear
  B)
  \[COOH{{(C{{H}_{2}})}_{4}}COOH+N{{H}_{2}}{{(C{{H}_{2}})}_{6}}N{{H}_{2}}\] done clear
  C)
  \[COOH{{(C{{H}_{2}})}_{6}}COOH+N{{H}_{2}}{{(C{{H}_{2}})}_{4}}N{{H}_{2}}\] done clear
  D)
  \[COOH{{C}_{6}}{{H}_{4}}COOH-(p)+N{{H}_{2}}{{(C{{H}_{2}})}_{6}}N{{H}_{2}}\] done clear
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• question_answer33)
  Which of the following is not correctly represented?
  A)
  Terylene done clear
  B)
  Nylon-6 , 6   done clear
  C)
  Nylon-6,6 done clear
  D)
  PMMA   done clear
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• question_answer34)
  The monomer of the polymer;
  A)
  done clear
  B)
  \[C{{H}_{3}}CH=CHC{{H}_{3}}\] done clear
  C)
  \[C{{H}_{3}}CH=C{{H}_{2}}\]           done clear
  D)
  \[{{(C{{H}_{3}})}_{2}}C=C{{(C{{H}_{3}})}_{2}}\] done clear
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• question_answer35)
  Which of the following polymers do not involve cross linkages?
  A)
  Melmac             done clear
  B)
  Bakelite done clear
  C)
  Polythene          done clear
  D)
  Vulcanised rubber done clear
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• question_answer36)
  Number average molecular mass, \[{{\overline{M}}_{n}}\] and weight average molecular mass \[\left( {{\overline{M}}_{w}} \right)\] of synthetic polymers are related as
  A)
  \[{{\overline{M}}_{n}}={{({{\overline{M}}_{w}})}^{1/2}}\] done clear
  B)
  \[{{\overline{M}}_{n}}={{\overline{M}}_{w}}\] done clear
  C)
  \[{{\overline{M}}_{w}}>{{\overline{M}}_{n}}\]            done clear
  D)
  \[{{\overline{M}}_{w}}<{{\overline{M}}_{n}}\] done clear
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• question_answer37)
  Polymer formation from monomers starts by
  A)
  condensation or addition reaction between monomers done clear
  B)
  coordinate reaction between monomers done clear
  C)
  conversion of monomer to monomer ions done clear
  D)
  hydrolysis of monomers. done clear
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• question_answer38)
  \[n(C{{F}_{2}}=C{{F}_{2}})\xrightarrow[{{(N{{H}_{4}})}_{2}}{{S}_{2}}{{O}_{8}}]{Benzoyl\,peroxide\,or}X\] Here, X is:
  A)
  RMMA                          done clear
  B)
  PVC done clear
  C)
  PAN                              done clear
  D)
  None of these done clear
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• question_answer39)
  Which pair of polymers have similar properties?
  A)
  Nylon, PVC done clear
  B)
  PAN, PTFE done clear
  C)
  PCTFE, PTFE done clear
  D)
  Bakelite, alkyl resin done clear
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• question_answer40)
  Among the following, the wrong statement is
  A)
  PMMA is plexiglass done clear
  B)
  SBR is natural rubber done clear
  C)
  PTFE is Teflon done clear
  D)
  LDPE is low density polythene done clear
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• question_answer41)
  When condensation product of hexamethyiene- diamine and adipic acid is heated to 525 K in an atmosphere of nitrogen for about 4-5 hours, the product obtained is
  A)
  solid polymer of nylon 6, 6 done clear
  B)
  liquid polymer of nylon 6, 6 done clear
  C)
  gaseous polymer of nylon 6, 6 done clear
  D)
  liquid polymer of nylon 6 done clear
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• question_answer42)
  In which of the following polymers, empirical formula resembles with monomer?
  A)
  Bakelite             done clear
  B)
  Teflon done clear
  C)
  Nylon-6, 6         done clear
  D)
  Dacron done clear
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• question_answer43)
  Which is a polymer of three different monomers?
  A)
  ABS                              done clear
  B)
  SBR done clear
  C)
  NBR                              done clear
  D)
  Nylon-2, 6 done clear
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• question_answer44)
  The polymer which has conducting power is
  A)
  polyethylene       done clear
  B)
  polybutadiene done clear
  C)
  polystyrene        done clear
  D)
  polyacetylene done clear
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• question_answer45)
  Which of the following compound is used for preparation of melamine formaldehyde polymer?
  A)
    done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
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• question_answer46)
  Match the polymers in column - A with their main uses in column - B and choose the correct answer:

  Column - A	Column - B
  [A] Polystrene	(i) Paints and lacquers
  [B] Glyptal	(ii) Rain coats
  [C] Polyvinyl chloride	(iii) Manufacture of toys
  [D] Bakelite	(iv) Computer discs

  A)
  [A]-(ii),  [B]-(i),   [C]-(iii),  [D]-(iv) done clear
  B)
  [A]-(ii),  [B]-(iv), [C]-(iii),  [D]-(i) done clear
  C)
  [A]-(iii), [B]-(iv), [C]-(ii), [D]-(i) done clear
  D)
  [A]-(iii), [B]-(i),   [C]-(ii),  [D]-(iv) done clear
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• question_answer47)
  The compound which cannot be used as a plasticizer, is
  A)
  di-n-butylphthalate          done clear
  B)
  tricresyi phosphate done clear
  C)
  di-ri-octyphthalate           done clear
  D)
  diethyl phthalate done clear
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• question_answer48)
  Which of the following statements is false?
  A)
  Artificial silk is derived from cellulose. done clear
  B)
  Nylon-6, 6 is an example of elastomer. done clear
  C)
  The repeat unit in natural rubber is isoprene. done clear
  D)
  Both starch and cellulose are polymers of glucose. done clear
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• question_answer49)
  Which one of the following sets forms the biodegradable polymer?
  A)
  \[C{{H}_{2}}=CH-CN\] and  \[C{{H}_{2}}=CH-CH=C{{H}_{2}}\] done clear
  B)
  \[{{H}_{2}}N-C{{H}_{2}}-COOH\] and  \[{{H}_{2}}N-{{(C{{H}_{2}})}_{5}}-COOH\] done clear
  C)
  \[HO-C{{H}_{2}}-C{{H}_{2}}-OH\] and done clear
  D)
   and  \[C{{H}_{2}}=CH-CH=C{{H}_{2}}\] done clear
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• question_answer50)
  Which one of the following is an example of a thermosetting polymer?
  A)
  \[-(C{{H}_{2}}-\underset{Cl}{\mathop{\underset{|}{\mathop{C}}\,}}\,=CH-C{{H}_{2}}){{-}_{n}}\] done clear
  B)
  \[-(C{{H}_{2}}-\underset{Cl}{\mathop{\underset{|}{\mathop{CH){{-}_{n}}}}\,}}\,\] done clear
  C)
  \[-(\overset{H}{\mathop{\overset{|}{\mathop{N}}\,}}\,-{{(C{{H}_{2}})}_{6}}-\overset{H}{\mathop{\overset{|}{\mathop{N}}\,}}\,-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-{{(C{{H}_{2}})}_{4}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,)-{{}_{n}}\] done clear
  D)
  done clear
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