02 polymers question bank

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  • Page 1

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    QUESTION BANK

    1. Which of the following is an example of additional polymerization?1) Proteins 2) Teflon 3) Nylon -66 4) Glyptal

    2. Which of the following is an example of condensation polymerization?1) PVC 2) BUNA rubber 3) Dacron 4) Latex

    3. Which of the following type of forces are present in Nylon- 6,6?1) Van der Waals forces of attraction 2) Hydrogen bonding3) Three dimensional network of bonds 4) Metallic bonding

    4. The fibre obtained by the condensation of hexamethylene diamine and adipic acid is1) Dacron (2) Nylon 6,6 3) Rayon (4) Teflon

    5. Polymeristion in which two or more chemically different monomers take part is called :(1) Addition polymersiation (2) Copolymerisation(3) Chain polymerisation (4) Homopolymerisation

    6. Terylene is :(1) An addition polymer with a benzene ring in every repeating unit(2) A condensation polymer with a benzene ring in every repeating unit(3) An addition polymer with two carbon atoms in every repeating unit(4) A condensation polymer with two nitrogen atmos in every repeating unit

    7. Which of the following is used in the preparation of nylon-6,6?1) Adipic acid 2) Butadiene 3) Isoprene 4) Ethylene

    8. Polyacrylates contain the linkages of1) Amides 2) Esters 3) Acids 4) Alcohols

    9. Which of the following has an ester linkage?1) Nylon-6,6 2) Dacron 3) PVC 4) Bakelite

    10. The monomer of nylon -6 is1) Cyclohexane 2) Caprolactam 3) Ethylene glycol 4) Amino acid

    11. A high molecular weight molecule built from a large number of simple molecules is calleda1) Monomer 2) Isomer 3) Polymer 4) Tautomer

    12. A high molecular weight molecule which does not contain repeating structural units iscalled a1) Polymer 2) Macromolecule 3) Both 1 & 2 4) None of the above

  • Page 2

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    13. Which of the following is an elastomer?1) Vulcanized rubber 2) Dacron3) Polystyrene 4) Malamine

    14. Which of the following is not a natural polymer?1) Proteins 2) Polysaccharides3) Cotton 4) Phenol- formaldehyderesin

    15. Which of the following is synthetic polymer1) Starch 2) Cellulose 3) RNA 4) Terylene

    16. Which of the following is an example of fibre polymer?1) Rubber 2) Nylon-6,6 3) PVC 4) Bakelite

    17. Which of the following is an example of thermo plastic polymer?1) Bakelite 2) Polysiloxanes 3) Sealing Wax 4) All

    18. Bakelite is an example of1) Elastomer 2) Fibre 3) Thermoplastic 4) Thermosetting polymer

    19. Dacron is an example of1) Elastomer 2) Fibre 3) Thermoplastic 4) Thermosetting polymer

    20. Which of the following is a natural polymer?1) Polythene 2) Polysaccharides 3) Nylon -6 4) Terylene

    21. Which of the following polymers has ester linkage?1) Nylon 2) Bakelite 3) Terylene 3) PVC

    22. Which of the following polymers does not involve cross linkages?1) Bakelite 2) Melamine 3) Polythene 4) Vulcanized rubber

    23. Which of the following polymers has the empirical formula identical with that of itsmonomer?1) Teflon 2) Nylon -66 3)Dacron 4) Bakelite

    24. Terylene is a1) Polymide 2) Polyester3) Polyether 4)Longchain hydrocarbon

    25. Polymer obtained by condensation polymerization is1) Polythene 2) Teflon 3) PVC 4) Bakelite

    26. The weakest interparticle forces are present in1) Thermosetting polymers 2) Thermoplastic polymers3) Fibers 4) Elastomers

  • Page 3

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    27. Which of the following is an example of condensation polymers?(1) Polythene (2) PVC (3) Orlon (4) Terylene

    28. Which of the following is common cationic polymerization initiator1) BF3 2) AlCl3 3) SnCl4 4) All

    29. Dicarboxylic acids react with diols to form which type of copolymer1) Random 2) Alternating 3) Block 4) Graft

    30. Which of the following type of forces are present in natural rubber ?1) Weakest intermolecular forces 2) Hydrogen bonding3) Three dimensional network of bonds 4) Metallic bonding

    31. Which of the following is thermoplastic?1) PVC 2) Polystyrene 3) Sealing Wax 4) All of the above

    32. Polystyrene is an example of1) Elastomer 2) Fibre3) Cation polymerisation polymer 4) Thermosetting polymer

    33. Teflon is an example of polymer which is a / an1) Polyamide 2) Addition Ploymer3) Polyster 4) Formaldehyderesin

    34. The natural occurring polymer among the following is1) Rayon 2) Nylon -6 4) Decron 4) Proteins

    35. Which of the following is an example of thermo setting polymer?1) Sealing Wax 2) Nylon -66 3) PVC 4) Bakelite

    36. Thermoplastics are1) Liner polymers 2) Soften or melt on heating3) Molten polymer can be moulded in desired shape4) All

    37. Amongst the following the barnched chain polymer is1) PVC 2) Plyester3) Low density polythene 4) Nylon - 66

    38. Which among the following is a chain- growthPolymer?1) Nylon 3) Bakelite 3) Terylene 4) Teflon

    39. Which among the following is a step- growth polymer?1) PTFE 3) PVC 3) Polyester 4) Polythene

  • Page 4

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    40. Nylon-6, 6 is obtained by condensation polymerization of1) Adipic acid and hexamethylene diamine2) Phenol and formaldehyde3) Terephthalic acid and ethylene glycol4) Sebacic acid and hyxamethylene

    41. The monomer of natural rubber is1) Butadiene 2) Chloreprene 3) Isoprene 4)Butadiene and Styrene

    42. Which of the following contains isoprene units?1) Natural rubber 2) Nylon - 663) Polyethylene 4) Dacron

    43. Transform of rubber is called1) Isoprene 2) Neoprene 3) Gutta percha 4) Glyptal

    44. Natural rubber is a :1) Trans isomar 2) Cis isomar 3) Recemic mixture4) Equal amount of Cis and trans

    45. The empirical formula of natural rubber is1) C3H5 2) C5H8 3) C5H3 4) C8H5

    46. The process involving heating of rubber with sulphur is called1) Galvanisation 2) Vulcanization3) Bessemerisation 4) Sulphonation

    47. The tensile strength, elasticity and resistance to abrasion can be incresed by a processcalled1) Galvanisation 2) Vulcanization 3) Bessemerisation 4) Sulphonation

    48. The process of vulcanization was introduced by1) Charles Goodyear 2) Kolbe3) Wohler 4) Zeigher

    49. In vulcanization of rubber,1) Sulphur reacts to form a new compound2) Sulphur cross links are introduced3) Sulphur forms a very thin protective layer over rubber4) All

    50. The synthetic polymer which resemblesnatural rubber is1) Neoprene 2) Buna-S 3)Nylon 4) Rayon

  • Page 5

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    51. The S in Buna- S refers to1) Sulphur 2)Styrene 3) Sodium 4) Just a trade name

    52. Buna-S is a copolymer of1) Styrene and 1,3- butadiene 2) Styrene and ethylene3) 1,3- butadiene and ethylene 4) 1, 3 - butadiene and acrylonitrile

    53. For natural polymers PDI is generally1) 0 2) 1 3) 100 4) 1000

    54. nM and wM of a synthetic polymer are related as

    1 n wM M 2) n wM M 3) n wM M 4) n wM M55. The most common type of molecular weights used in the case of polymers is

    1) Number average molecular weight method2) z - average molecular weight method3) viscosity average molecular weight method 4) All

    56. Artificial silk is a1) Polypeptide 2) Polysaccharide 3) Polythene 4) Polyvinyl chloride

    57. The biodegradable polymer, Nylon -2 - Nylon - 6 is formed by the condensation of glycineand1) acrylonitrile 2) amino caproic acid 3) alanine 4) adipic acid

    58. An example of natural biopolymer is1) Teflon 2) Nylon -66 3) Rubber 4) DNA

    59. Proteins are polyamides of1) amino acids 2) amino acids3) hydroxy acids 4) keto acids

    60. Cellulose is a polymer of1) galactose 2) cosglu e 3) galactose 4) cosglu e

    61. Which of the following monomer in excess makes PHBV more flexible1) hydroxy butanoic acid 2) hydroxy butanoic acid3) hydroxy pentanoic acid 4) hydroxy pentanoic acid

    62. Which of the following is used as life saving substance as blood plasma1) Cellulose 2) Teflon 3) Bakelite 4) Polyvinyl pyrrolidone

  • Page 6

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    63. Polymer used in making capsules1) Poly glycolic acid 2) Poly lactic acid3) Nylon -2- Nylon-6 4) PHBV

    64. The polymer used for post operative stitches1) Glycolic acid 2) Poly lactic acid3) Nylon -2- Nylon-6 4) PHBV

    65. Neoprene is1) Polyster 2) Polyamide 3) Polysaccharide 4) Polyhalodiene

    66. Acrylonitrile forms :(1) Terylene (2)Orlon (3) PVC (4) Bakelite

    67. Chloroprene is used in making(1) Synthetic rubber (2) Plastic(3) Petrol (4) All of the above

    68. 1, 3 - butadiene and acrylonitrile undergo copolymerization to give1) Buna - S 2) Buna - N 3) BuNa - A 4) All

    69. The number average molecular mass and mass average molecular mass of a polymer arerespectively 30,000 and 40,000. The PDI of the polymer is1) < 1 2) >1 3) 1 4) 0

    70. The formulae for calculating nM of a polymer is

    1) NiMi

    Ni 2)

    NiMiMi

    3)

    2NiMiMi

    4)

    2NiMiNiMi

    71. The formulae for calculating WM of a polymer

    1) NiMi

    Ni 2)

    NiMiMi

    3)

    2NiMiMi

    4)

    2NiMiNiMi

    72 Methanal and Phenol react in the presence of base to give(1) Bakelite (2) Polyethylene (3) Dcaron 4) Nylon - 6,6

    73. Which of the following is used in making textiles and ropes1) Dacron 2) Perlon - L 3) Rayon 4) Both 1 & 3

  • Page 7

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    74. Which of the following is used as life saving substance i.e. blood plasma1) Polyvinyl pyrrolidone 2)Silicone polymers3) Plexi glass 4) All

    75. Which of the following is used as a substitute of glass1) Glyptal 2) Urea formaldehyde resin3) PMMA 4) All

    76. Monomer of PTFE is1) Ethylene 2) Propylene 3) Butadiene 4) Tetra fluoroethylene

    77. The alternative name of Glyptal is1) Alkylresin 2) Phenol - formaldehyde resin3) Melamine- formaldehyde resin 4) Melmac

    78. The monomer of PVC is1) Ethene 2) Chloroethene 3)Dichlorethene 4) Tetra chlorethene

    79. Styarm is obtained from:1) Polymethylene 2) Polyesters3) Cellulose 4) Styrene

    81. Which of the following fibre are made of polya mides ?1) Dacron 2) Orlon 3) Nylon 4) Rayon

    81. Which one of the following can be used as monomer in polymerisation reaction?1) CH3CH2CI 2) CH3CH2OH 3) C6H6 4)C3H6

    82. Polyethene is a resin obtained by polymerisation of(1) Butadiene (2) Ethylene (3) Isoprene (4) Propylene

    83. Nylon is:(1) Polyester (2) Polyamide (3) Orlon (4) Terylene

    84. Which of the following is not a synthetic polymer?(1) Polyethylene (2) PVC (3) Nylon (4) Cellophane

    85. What is not true about polymers?(1) Polymers do not carry any change (2) Polymers have high viscosity(3) Polymers scatter light (4) Polymers have low molecular weight

    86. Which of the following is not a synthetic polymer1) Polyisoprene 2) Polybutadiene3) Polyethylene terephathalate 4) Polyethylene

  • Page 8

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    87. Which of the following is/ are thermoplastic polymers?1) Nylon6,6 2) Bakelite 3) Polystyrene 4) Terylene

    88. CH2= CH2 is a:(1) Monomer (2) Polymer (3) Isomer (4) Equimer

    89. Which is not a polymer?(1) Ice (2) Starch (3) Protein (4) Cellulose

    90. Teflon is a polymer of the monomer :(1) Monofluoroethene (2) Difluroethene(3) Trifluoroethene (4) Tetrafluoroethene

    91. Common application of GRN in life is1) Making oil seals 2) Manufacture of hose pipes3) Tank lining 4) All

    92. Which of the following is thermally stable1) Silicone polymers 2) Rayon3) Bakelite 4) Perlon - L

    93. Which of the following is used in making automobile tyres and foot wear1) GRA 2) Neoprene 3) Plexi glass 4) Glyptal

    94. Which one is resistant to acids and alkalies but dissolves in acetone and CS2 mixture1) Polyethene 2) Polystyrene 3) Polyvinylchloride 4) All

    95. Which one is resistant to vegetable and mineral oils1) Neoprene 2) Glyptal 3) Nitrile rubber 4) Both 2 & 3

    96. Which of the following is poor resistant to weather1) Polyethene 2) Polystyrene 3) PVC 4) All

    97. Which of the following is resistant to petrol, lubricating oils and organic solvents1) Nitrile rubber 2) Buna - N 3) GRN 4) Any one

    98. Which of the following is extreme resistance to abrasion1) Nylon 2) Perlon - L 3) Dacron 4) Both 1 & 2

    99. Which of the following is available in liquid, solid (or) gas phases as waxes (or) as rubbers1) Artificical silk 2) Bakelite 3) Silicone polymers 4) All

  • Page 9

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    100. Which of the following is not a natural polymer1) Cotton 2) Silk 3) Cellulose Rayon 4) Wool

    101. Which of the following is a semisynthetic polymer1) Rubber 2) Silk 3) Wool 4) Cellulose nitrate

    102. Which of the following is a synthetic polymer1) Poyethylene 2) Nylon- 6 3) Terylene 4) All

    103. Which of the following is an example of network polymer1) Polyethylene 2) PVC 3) Bakelite 4) All

    104. Which of the following is thermosetting polymer1) Nylon 2) Sealing wax 3) Polysiloxanes 4) Both 2 & 3

    105 Which of the following is organic polymer1) Glass 2) Rayon 3) Silicone rubbers 4) All

    106. Which of the following is elastomer1) Buna - N 2) Buna - S 3) Neoprene 4) All

    107. Which of the following structures represents terylene

    1. ||

    2 5

    O

    C NH CH

    2)

    || ||2 2 6 4

    O O

    n

    OCH CH O C C H C

    3) 2 2 2||O n

    CH CH CH CH C CH

    4) 2 2 nCH CH CH CH

  • Page 10

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    108. Which of the following structures represent Nylon-6,6?

    1) | |

    2 5

    O

    n

    C N H C H

    2)|| ||

    2 2 6 4

    O O

    n

    O CH C H O C C H C

    3) 2 26 4 nNH CH NH CO CH CO 4) 2 2 2|6 5 n

    CH CH CH CH C H CH

    C H

    109. Which of the following is the correct representation of initial reaction for the preparationof bakelite?1) Aromatic electrophilic substitution 2) Aromatic nuclerophilic substitution3) Free radical reaction 4) Aldol reaction

    110. Which of the following is not an example of addition polymer?1) Polythene 2) Polystyrene 3)Neoprene 4) Terylene

    111. Terylene is a condensation polymer of ethylene glycol and1) Benzoic acid 2) Phthalic acid 3) Salicylic acid 4) Terephthalic acid

    112. Hair wigs are made from a copolymer of viniyl chloride and acrylonitirile, and is called1) PVC 2) Dynel 3) Polyacrylonitrile 4) Cellulose

    113. Plexiglass is a polymer of1) Acrylic acid 2) Methylacrylate 3) Methylmethacrylate 4) Methylpropacrylate

    114. Which of the following has formaldehyde as one of the starting material.1) Melmac 2) Alkylresin 3) PAN 4) Acrilon

    115. Which of the following have 1,2- ethanediol as starting material ?1) Nylon-6 2) PMMA 3) PTFE 4) Dacron

    116. Which names are associated with PMMA1) Melmac 2)Acrilan 3)Saran 4)Acrilite

    117. Which of the following is wrong1) PMMA is called plexiglas 2) PTFEis called teflon3) SBR is natural rubber 4) LDPE is called low density polythene

  • Page 11

    KAB Educational ConsultantsConsultants for: MBBS, BDS, B.Tech., B.Pharmacy, MBA, MCA Admissions

    Senior Inter- Polymers

    #3-6-691/13, Street No.11, Himayath Nagar, Hyderabad - 500029Ph: 040-27654225, 27626194, 44559595, 9246377055. Fax: 040-27666347

    e-mail: [email protected] website: www.kabconsultants.com

    118. Low density polythene is prepared by1) Free radical polymerizaiton 2) Cationic polymerization3) Anionic polymerization 4) Ziegler - Natta polymerization

    119. The best way to prepare polyisobutylene is1) Coordination polymerization 2) Free radical polymerization3) Cationic polymerzation 4) Anionic polymerization

    120. The outer capsule of drugs is made up of a polymer of1) Glycolic acid and lactic acid 2) Glyeine and caproic acid3) Salleyelic acid and p-aminobenzoic acid4) 3-Hydroxybutanoic acid and 3-hydroxypentanoic acid

    121. A polymer which is used as suture, i.e. for stitching of wounds after aperations is1) PHBV 2) Nylon -2-Nylon-6 3) Dextron 4) Dacron

    122. Bubble gum contains1) Thiokol rubber 2) Styrene - butadiene rubber3) Isobutylen - isoprene rubber 4) Acrylonitrile - butadiene rubber

    123. Which of the following is a condensation homopolymer1) Nylon - 6 2) Nylon - 66 3) Nylon - 610 4) Dacron