question_answer 1)
Discovery of 'nylon' is associated with
A)
Newyork and London done
clear
B)
Newyork and Longuet done
clear
C)
Nyholm and London done
clear
D)
None of these done
clear
View Solution play_arrow
question_answer 2)
Which of the following is resistant to boiling aqua-regia
A)
Polythene done
clear
B)
Perspex done
clear
C)
Teflon done
clear
D)
Bakelite done
clear
View Solution play_arrow
question_answer 3)
Nylon polymers are
A)
Acidic done
clear
B)
Basic done
clear
C)
Amphoteric done
clear
D)
Neutral done
clear
View Solution play_arrow
question_answer 4)
Nylon yarns are usually
A)
Highly inflammable done
clear
B)
Non-inflammable done
clear
C)
Both A and B types are known done
clear
D)
Uncertain inflammability done
clear
View Solution play_arrow
question_answer 5)
Which of the following is a synthetic polymer
A)
Rubber done
clear
B)
Perspex done
clear
C)
Protein done
clear
D)
Cellulose done
clear
View Solution play_arrow
question_answer 6)
The mass average molecular mass & number average molecular mass of a polymer are respectively 40,000 and 30,000. The polydispersity index of polymer will be [Kerala CET 2005]
A)
< 1 done
clear
B)
> 1 done
clear
C)
1 done
clear
D)
0 done
clear
E)
- 1 done
clear
View Solution play_arrow
question_answer 7)
In the process of forming ?mercerised cellulose? the swelling of cellulose is caused by
A)
Water done
clear
B)
\[N{{a}_{2}}C{{O}_{3}}\] done
clear
C)
\[Aq.\,\,NaOH\] done
clear
D)
\[Aq.\,\,HCl\] done
clear
View Solution play_arrow
question_answer 8)
?Rayon? is
A)
Natural silk done
clear
B)
Artificial silk done
clear
C)
Natural plastic or rubber done
clear
D)
Synthetic plastic done
clear
View Solution play_arrow
question_answer 9)
As the molecular weight increases the tensile strength of polymers
A)
Increases done
clear
B)
Decreases done
clear
C)
Remains unchanged done
clear
D)
Uncertain done
clear
View Solution play_arrow
question_answer 10)
Triethyl aluminium titanium chloride used in plastic industry is a
A)
Vulcaniser done
clear
B)
Plasticiser done
clear
C)
Ziegler-Natta catalyst done
clear
D)
Telomer done
clear
View Solution play_arrow
question_answer 11)
Glyptals are chiefly employed in
A)
Toy making done
clear
B)
Surface coating done
clear
C)
Photofilm making done
clear
D)
Electrical insulators done
clear
View Solution play_arrow
question_answer 12)
The sterile gauze (or cotton) used in medicine is obtained by oxidising cellulose with
A)
Nitrogen done
clear
B)
\[KMn{{O}_{4}}\] done
clear
C)
Nitrogen dioxide done
clear
D)
Potassium chlorate done
clear
View Solution play_arrow
question_answer 13)
Ethylene-propylene rubber (EPR) is
A)
Unsaturated, stereoregular done
clear
B)
Saturated, stereoregular done
clear
C)
Atactic, unsaturated done
clear
D)
Syndiotactic, unsaturated done
clear
View Solution play_arrow
question_answer 14)
The monomeric units of terylene are glycol and which of the following
A)
B)
C)
D)
View Solution play_arrow
question_answer 15)
Neoprene, a synthetic rubber contains which of the following element besides C and H
A)
N done
clear
B)
O done
clear
C)
Cl done
clear
D)
F done
clear
View Solution play_arrow
question_answer 16)
Acrylic resins are
A)
Colourless and transparent done
clear
B)
Dark brown and thermosetting done
clear
C)
Dark brown and thermoplastic done
clear
D)
White like milk done
clear
View Solution play_arrow
question_answer 17)
Which of the following has a higher glass-transition temperature
A)
Polyethylene done
clear
B)
Polypropylene done
clear
C)
Polyvinylchloride done
clear
D)
Polystyrene done
clear
View Solution play_arrow
question_answer 18)
A polymer with the high chemical stability has \[M.P.\,\,{{327}^{o}}C\] and the density of complete crystalline sample is \[2.3\,\,g/c{{m}^{3}}.\] It can be
A)
PVC done
clear
B)
Teflon done
clear
C)
Melamine done
clear
D)
Bakelite done
clear
View Solution play_arrow
question_answer 19)
The process of vulcanisation makes rubber
A)
Soluble in water done
clear
B)
Elastic done
clear
C)
Hard done
clear
D)
Soft done
clear
View Solution play_arrow
question_answer 20)
Terylene is a [AFMC 1989; MP PET 1994; RPET 1999; Kerala (med.) 2002; MP PMT 2004]
A)
Polyamide done
clear
B)
Polyester done
clear
C)
Polyethylene done
clear
D)
Polypropylene done
clear
View Solution play_arrow
question_answer 21)
\[{{F}_{2}}C=C{{F}_{2}}\] is the monomer of [CBSE PMT 2000]
A)
Nylon-6 done
clear
B)
Buna-S done
clear
C)
Glyptal done
clear
D)
Teflon done
clear
View Solution play_arrow
question_answer 22)
Molecular mass of a polymer is
A)
Small done
clear
B)
Very small done
clear
C)
Negligible done
clear
D)
Large done
clear
View Solution play_arrow
question_answer 23)
Which of the following has cross-links
A)
Vulcanised rubber done
clear
B)
Nylon done
clear
C)
Phenol-formaldehyde resins done
clear
D)
Both A and C are correct done
clear
View Solution play_arrow
question_answer 24)
Orlon is a polymer of [NCERT 1984; BHU 1995; AFMC 1997; DCE 2001]
A)
Styrene done
clear
B)
Tetrafluoro ethylene done
clear
C)
Vinyl chloride done
clear
D)
Acrylonitrile done
clear
View Solution play_arrow
question_answer 25)
Caprolactam is the monomer of [DCE 2000]
A)
Nylon-6 done
clear
B)
Glyptal done
clear
C)
P.T.F.E. done
clear
D)
Melamine done
clear
View Solution play_arrow
question_answer 26)
Which of the following intermolecular forces are present in ?nylon ? 66? [JIPMER 1997]
A)
Vander Waals done
clear
B)
Hydrogen bonding done
clear
C)
Dipole-dipole interaction done
clear
D)
None of these done
clear
View Solution play_arrow
question_answer 27)
Neoprene is a polymer of [AFMC 1993; NCERT 1980, 84, 86; CBSE 1991; DCE 2001]
A)
Propene done
clear
B)
Vinyl chloride done
clear
C)
Chloroprene done
clear
D)
Butadiene done
clear
View Solution play_arrow
question_answer 28)
Polyvinyl chloride is
A)
An isomer of vinyl chloride done
clear
B)
An addition product of vinyl chloride done
clear
C)
An allotrope polymer of vinyl chloride done
clear
D)
A polymer of hydrated vinyl chloride done
clear
View Solution play_arrow
question_answer 29)
Which of the following polymers are hard
A)
Linear done
clear
B)
Cross-linked done
clear
C)
Branched chain done
clear
D)
Thermoplastic done
clear
View Solution play_arrow
question_answer 30)
Which of the following has the largest molecular mass
A)
Monomer done
clear
B)
Dimer done
clear
C)
Polymer done
clear
D)
Oligomer done
clear
View Solution play_arrow
question_answer 31)
Heating of rubber with sulphur is known as [CBSE PMT 1989]
A)
Galvanisation done
clear
B)
Vulcanisation done
clear
C)
Bessemerisation done
clear
D)
Sulphonation done
clear
View Solution play_arrow
question_answer 32)
\[C{{H}_{2}}=C{{H}_{2}}\] is a [MP PMT 1986; CBSE PMT 1991]
A)
Monomer done
clear
B)
Polymer done
clear
C)
Isomer done
clear
D)
Equimer done
clear
View Solution play_arrow
question_answer 33)
Which of the following fibres are made of polyamides [CPMT 1982; NCERT 1981; MNR 1992; DCE 1999; UPSEAT 2001, 02]
A)
Dacron done
clear
B)
Orlon done
clear
C)
Nylon done
clear
D)
Rayon done
clear
View Solution play_arrow
question_answer 34)
Which is not a polymer [CPMT 1994]
A)
Ice done
clear
B)
Starch done
clear
C)
Protein done
clear
D)
Cellulose done
clear
View Solution play_arrow
question_answer 35)
Acrylonitrile forms [BHU 1995]
A)
Terylene done
clear
B)
Orlon done
clear
C)
PVC done
clear
D)
Bakelite done
clear
View Solution play_arrow
question_answer 36)
Synthetic fibres like nylon-66 are very strong because
A)
They have high molecular weights and high melting points done
clear
B)
They have a high degree of cross-linking by strong \[C-C\] bond done
clear
C)
They have linear molecules consisting of very long chains done
clear
D)
They have linear molecules interlinked with forces like hydrogen bonding done
clear
View Solution play_arrow
question_answer 37)
Natural rubber contains several thousand units of X linked together in the polymer chain. X is [NCERT 1980, 84; BHU 1983; CBSE PMT 1991; MP PMT 2001]
A)
Neoprene done
clear
B)
Isoprene done
clear
C)
Chloroprene done
clear
D)
Styrene done
clear
View Solution play_arrow
question_answer 38)
Natural rubber is basically a polymer of or The monomer of natural polymer rubber is [MP PMT 1993, 95, 98, 99, 2000, 01; RPET 2000; MP PMT/PET 1998; MP PET 1994, 95, 98, 2001; BHU 1999; 2001; CBSE PMT 1999]
A)
Neoprene done
clear
B)
Isoprene done
clear
C)
Chloroprene done
clear
D)
Butadiene done
clear
View Solution play_arrow
question_answer 39)
What is not true about polymers [MP PET 1999]
A)
Polymers do not carry any charge done
clear
B)
Polymers have high viscosity done
clear
C)
Polymers scatter light done
clear
D)
Polymers have low molecular weight done
clear
View Solution play_arrow
question_answer 40)
The synthetic polymer which resembles natural rubber is [Bihar MEE 1996; DCE 2004]
A)
Neoprene done
clear
B)
Chloroprene done
clear
C)
Glyptal done
clear
D)
Nylon done
clear
View Solution play_arrow
question_answer 41)
Which one is a polymer compound [CPMT 1997; Bihar MEE 1997]
A)
\[S{{O}_{2}}\] done
clear
B)
\[C{{O}_{2}}\] done
clear
C)
\[C{{H}_{4}}\] done
clear
D)
PVC done
clear
View Solution play_arrow
question_answer 42)
Which one of the following in used to make 'non-stick' cookware [CBSE PMT 1997; AIIMS 1998]
A)
PVC done
clear
B)
Polystyrene done
clear
C)
Polyethylene terephthalate done
clear
D)
Polytetrafluoroethylene done
clear
View Solution play_arrow
question_answer 43)
The polymer used for making contact lenses for eyes is [AMU 1999]
A)
Polymethylmethacrylate done
clear
B)
Polyethelene done
clear
C)
Polyethylacrylate done
clear
D)
Nylon-6 done
clear
View Solution play_arrow
question_answer 44)
Which polymer is used for making magnetic recording tapes [AMU 1999]
A)
Dacron done
clear
B)
Acrilan done
clear
C)
Glyptal done
clear
D)
Bakelite done
clear
View Solution play_arrow
question_answer 45)
Characteristic property of Teflon is [RPET 2000]
A)
2000 poise viscosity done
clear
B)
High surface tension done
clear
C)
Non-inflammable and resistant to heat done
clear
D)
Highly reactive done
clear
View Solution play_arrow
question_answer 46)
Which of the following is not a polymer [MP PET 2001]
A)
Silk done
clear
B)
DNA done
clear
C)
DDT done
clear
D)
Starch done
clear
View Solution play_arrow
question_answer 47)
Nylone 66 is [RPMT 2002; MH CET 2003; AFMC 1998]
A)
Polyamide done
clear
B)
Polyester done
clear
C)
Polystyrene done
clear
D)
Polyvinyl done
clear
View Solution play_arrow
question_answer 48)
Isoprene is a valuable substance for making [MP PET 2002; UPSEAT 2004]
A)
Propene done
clear
B)
Liquid fuel done
clear
C)
Synthetic rubber done
clear
D)
Petrol done
clear
View Solution play_arrow
question_answer 49)
Terylene is used for making [AFMC 2002]
A)
Silks done
clear
B)
Fabrics done
clear
C)
Seat belts done
clear
D)
All of these done
clear
View Solution play_arrow
question_answer 50)
Nylon threads are made of [MP PMT 2001, 03; AIEEE 2003]
A)
Polyvinyl polymer done
clear
B)
Polyester polymer done
clear
C)
Polyamide polymer done
clear
D)
Polyethylene polymer done
clear
View Solution play_arrow
question_answer 51)
Nylon ? 66 is [RPMT 2003]
A)
\[{{\left( -\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-{{(C{{H}_{2}})}_{4}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-NH-{{(C{{H}_{2}})}_{6}}-NH- \right)}_{n}}\] done
clear
B)
\[\left( -NH-{{(C{{H}_{2}})}_{5}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,- \right)\] done
clear
C)
\[{{\left( \underset{\,\,\,\,\,\,\,\,\,\,COOMe}{\overset{\,\,\,\,C{{H}_{3}}}{\mathop{C{{H}_{2}}-\underset{|}{\overset{|}{\mathop{C}}}\,-\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}}\, \right)}_{n}}\] done
clear
D)
\[{{\left[ -\begin{array}{*{35}{l}} F \\ \underset{|}{\overset{|}{\mathop{C}}}\,\,- \\ F \\ \end{array}\begin{array}{*{35}{l}} F \\ \underset{|}{\overset{|}{\mathop{C}}}\,\,- \\ F \\ \end{array} \right]}_{n}}\] done
clear
View Solution play_arrow
question_answer 52)
Which of the following is currently used as a tyre cord [Kerala (Med.) 2003]
A)
Terelene done
clear
B)
Polyethylene done
clear
C)
Polypropylene done
clear
D)
Nylon ? 6 done
clear
View Solution play_arrow
question_answer 53)
PVC is polymer of [CPMT 2003]
A)
\[C{{H}_{2}}=C{{H}_{2}}\] done
clear
B)
\[C{{H}_{2}}=CH-Cl\] done
clear
C)
\[C{{H}_{2}}=CH-C{{H}_{2}}Cl\] done
clear
D)
\[C{{H}_{3}}-CH=CH-Cl\] done
clear
View Solution play_arrow
question_answer 54)
Teflon is a polymer of [Kerala PMT 2004]
A)
Tetrafluoro ethane done
clear
B)
Tetrafluro propene done
clear
C)
Difluorodichloro ethane done
clear
D)
Difluoro ethane done
clear
E)
Trifluoro ethane done
clear
View Solution play_arrow
question_answer 55)
Which of the following is used in vulcanization of rubber [MH CET 2004]
A)
\[S{{F}_{6}}\] done
clear
B)
\[C{{F}_{4}}\] done
clear
C)
\[C{{l}_{2}}{{F}_{2}}\] done
clear
D)
\[{{C}_{2}}{{F}_{2}}\] done
clear
View Solution play_arrow
question_answer 56)
PVC is used for ??.. [Orissa JEE 2002]
A)
Manufacture of cosmetics done
clear
B)
Manufacture of tyres done
clear
C)
Manufacture of nonstick pans done
clear
D)
Manufacture of plastic pipes done
clear
View Solution play_arrow
question_answer 57)
Polythene is a resin obtained by polymerisation of or The monomer unit in polythene is [CPMT 1983; JIPMER 1997; MP PMT 2002]
A)
Butadiene done
clear
B)
Ethylene done
clear
C)
Isoprene done
clear
D)
Propylene done
clear
View Solution play_arrow
question_answer 58)
The monomer of the polymer
[MH CET 2004; CBSE PMT 2005]
A)
B)
\[{{(C{{H}_{3}})}_{2}}C=C{{(C{{H}_{3}})}_{2}}\] done
clear
C)
\[C{{H}_{3}}CH=CHC{{H}_{3}}\] done
clear
D)
\[C{{H}_{3}}CH=C{{H}_{2}}\] done
clear
View Solution play_arrow
question_answer 59)
The monomer of Nylon-6 is/are [DPMT 2004]
A)
B)
C)
\[{{F}_{2}}C=C{{F}_{2}}\] done
clear
D)
\[{{H}_{2}}C=C{{H}_{2}}\] done
clear
View Solution play_arrow
question_answer 60)
Which of the following is teflon [MP PMT 2000, 03]
A)
\[{{\left[ \begin{matrix} H\,\,\,\,H \\ |\,\,\,\,\,\,\,\,| \\ -C-C- \\ |\,\,\,\,\,\,\,\,| \\ H\,\,\,\,H \\ \end{matrix} \right]}_{n}}\] done
clear
B)
\[{{\left[ \begin{matrix} \,\,H\,\,C{{H}_{3}} \\ |\,\,\,\,\,\,\,\,| \\ -C-C- \\ |\,\,\,\,\,\,\,\,| \\ H\,\,\,\,H \\ \end{matrix} \right]}_{n}}\] done
clear
C)
\[{{\left[ \begin{matrix} F\,\,\,\,F \\ |\,\,\,\,\,\,| \\ -C-C- \\ |\,\,\,\,\,\,\,| \\ F\,\,\,\,\,F \\ \end{matrix} \right]}_{n}}\] done
clear
D)
\[{{\left[ \begin{matrix} H\,\,\,F \\ |\,\,\,\,\,\,\,| \\ -C-C- \\ |\,\,\,\,\,\,\,| \\ F\,\,\,Cl \\ \end{matrix} \right]}_{n}}\] done
clear
View Solution play_arrow
question_answer 61)
Thermosetting plastics are
A)
Soluble in water done
clear
B)
Soluble in alcohol done
clear
C)
Soluble in benzene done
clear
D)
Insoluble done
clear
View Solution play_arrow
question_answer 62)
Cellulose is
A)
\[{{({{C}_{6}}{{H}_{10}}{{O}_{5}})}_{n}}\] done
clear
B)
\[{{({{C}_{3}}{{H}_{3}}{{N}_{3}})}_{n}}\] done
clear
C)
\[{{({{C}_{3}}{{H}_{6}}{{N}_{6}})}_{n}}\] done
clear
D)
\[{{({{C}_{12}}{{H}_{22}}{{O}_{11}})}_{n}}\] done
clear
View Solution play_arrow
question_answer 63)
The molecular weight of cellulose varies between
A)
1000 to 20000 done
clear
B)
20000 to 500000 done
clear
C)
100 to 200 done
clear
D)
1000000 to 5000000 done
clear
View Solution play_arrow
question_answer 64)
The value of n in the formula \[{{({{C}_{5}}{{H}_{10}}{{O}_{5}})}_{n}}\] for inulin is about
A)
30 done
clear
B)
300 done
clear
C)
3000 done
clear
D)
300000 done
clear
View Solution play_arrow
question_answer 65)
?Starch? consists of two fractions; one is \[\alpha -\text{amylose}\] and the other is
A)
Amylopectin done
clear
B)
Glycogen done
clear
C)
Pecticamide done
clear
D)
Alginic acid done
clear
View Solution play_arrow
question_answer 66)
The process of heat-softening, moulding and cooling to rigidness' can be repeated for which plastics
A)
Thermoplastics done
clear
B)
Thermosetting plastics done
clear
C)
Both A and B done
clear
D)
None of the above done
clear
View Solution play_arrow
question_answer 67)
In the trinitrocellulose each glucose unit contains how many \[-OH\] groups
A)
2 done
clear
B)
3 done
clear
C)
4 done
clear
D)
5 done
clear
View Solution play_arrow
question_answer 68)
Shellac contains mainly
A)
Cellulose done
clear
B)
Polyhydroxy organic acids done
clear
C)
Polyamides done
clear
D)
Polyesters done
clear
View Solution play_arrow
question_answer 69)
In elastomer, intermolecular forces are [AIIMS 2000; BHU 2004]
A)
Nil done
clear
B)
Weak done
clear
C)
Strong done
clear
D)
Very strong done
clear
View Solution play_arrow
question_answer 70)
Cellulose is a polymer of [CBSE PMT 2002]
A)
Fructose done
clear
B)
Ribose done
clear
C)
Glucose done
clear
D)
Sucrose done
clear
View Solution play_arrow
question_answer 71)
Which of the following polymer has ester linkage [BVP 2004]
A)
Nylon-66 done
clear
B)
PVC done
clear
C)
Terylene done
clear
D)
SBR done
clear
View Solution play_arrow
question_answer 72)
Acrilan is a hard, horny and a high melting material. Which of the following represents its structure [CBSE PMT 2003]
A)
\[{{\left( -C{{H}_{2}}-\underset{Cl\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\, \right)}_{n}}\] done
clear
B)
\[{{\left( -C{{H}_{2}}-\underset{CN\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\, \right)}_{n}}\] done
clear
C)
\[{{\left( -C{{H}_{2}}\underset{COOC{{H}_{3}}}{\overset{C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\overset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{-C-\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}}\,\,\,}}}\, \right)}_{n}}\] done
clear
D)
\[{{\left( \underset{COO{{C}_{2}}{{H}_{5}}}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CH-\,\,\,\,\,\,\,\,\,\,\,\,}}\,}}\, \right)}_{n}}\] done
clear
View Solution play_arrow
question_answer 73)
Which of the following has amide links
A)
Protein done
clear
B)
Nylon done
clear
C)
Peptide done
clear
D)
All of these done
clear
View Solution play_arrow
question_answer 74)
Which of the following is a polyamide [AIEEE 2005]
A)
Teflon done
clear
B)
Nylon ?66 done
clear
C)
Terylene done
clear
D)
Bakelite done
clear
View Solution play_arrow
question_answer 75)
Which of the following is fully fluorinated polymer [AIEEE 2005]
A)
Neoprene done
clear
B)
Teflon done
clear
C)
Thiokol done
clear
D)
PVC done
clear
View Solution play_arrow
question_answer 76)
Three dimensional molecules with cross links are formed in the case of a [KCET 2005]
A)
Thermoplastic done
clear
B)
Thermosetting plastic done
clear
C)
Both done
clear
D)
None done
clear
View Solution play_arrow