CBSE Class 12 Chemistry Polymers Worksheet Set C

Question. The compound required for the formation of a thermosetting polymer with methanol is:
a. Benzene
b. Phenyl amine
c. Benzaldehyde
d. Phenol
Answer : D

Question. Neoprene is a polymer of:
a. Propene
b. Vinyl chloride
c. Chloroprene
d. Butadiene
Answer : C

Question. Complete hydrolysis of cellulose gives:
a. D-fructose
b. D-ribose
c. D-glucose
d. L-glu cose
Answer : C

Question. Polypropylene can be obtained by polymerisation of:
a. CH ≡ CH
b. CH₂ = CH₂
c. CH₃ −CH = CH₂
d. CH₃ −C ≡ CH
Answer : C

Question. PVC is obtained by polymerization of:
a. CH₂ = CH− CH₂ −Cl
b. CH₂ = CH −Cl
c. CH₃ −Cl
d. CH₃ −CHCl
Answer : B

Question. Natural rubber contains several thousand units of X linked together in the polymer chain. X is:
a. Neoprene
b. Isoprene
c. Chloroprene
d. Styrene
Answer : B

Question. Which polymer is formed by chloroethene?
a. Teflon
b. Polyethene
c. PVC
d. Nylon
Answer : C

Question. In the natural rubber ‘Caoutchouc’, the isoprene units are joined by:
a. Head-to-head
b. Tail-to-tail
c. Head-to-tail
d. All of these
Answer : C

Question. Polymerization of glycol with dicarboxylic acids is:
a. Addition polymerisation
b. Condensation polymerisation
c. Telomerisation
d. Any of these
Answer : B

Question. The degree of crystallinity of which of the following is highest?
a. Atactic polyvinylchloride
b. Isotactic polyvinylchloride
c. Syndiotactic polyvinylchloride
d. All of these
Answer : C

Question. Which of the following is resistant to boiling aqua-regia?
a. Polythene
b. Perspex
c. Teflon
d. Bakelite
Answer : C

Question. The synthetic polymer which resembles natural rubber is?
a. Neoprene
b. Chloroprene
c. Glyptal
d. Nylon
Answer : A

Question. Isoprene is a valuable substance for making:
a. Propene
b. Liquid fuel
c. Synthetic rubber
d. Petrol
Answer : C

Question. Which of the following is used in vulcanization of rubber?
a. SF₆
b. CF₄
c. Cl₂F₂
d. C₂F₂
Answer : A

Question. The polymer used for making contact lenses for eyes is:
a. Polymethylmethacrylate
b. Polyethelene
c. Polyethylacrylate
d. Nylon-6
Answer : A

Question. Characteristic property of Teflon is:
a. 2000 poise viscosity
b. High surface tension
c. Non-inflammable and resistant to heat
d. Highly reactive
Answer : C

Question. ‘Rayon’ is:
a. Natural silk
b. Artificial silk
c. Natural plastic or rubber
d. Synthetic plastic
Answer : B

Question. Orlon is a polymer of:
a. Styrene
b. Tetrafluoro ethylene
c. Vinyl chloride
d. Acrylonitrile
Answer : D

Question. Molecular mass of a polymer is:
a. Small
b. Very small
c. Negligible
d. Large
Answer : D

Question. Which of the following is not a polymer?
a. Silk
b. DNA
c. DDT
d. Starch
Answer : C

Question. In elastomer, intermolecular forces are:
a. Nil
b. Weak
c. Strong
d. Very strong
Answer : B

Question. Discovery of 'nylon' is associated with:
a. Newyork and London
b. Newyork and Longuet
c. Nyholm and London
d. None of these
Answer : A

Question. Nylon yarns are usually:
a. Highly inflammable
b. Non-inflammable
c. Both a. and b. types are known
d. Uncertain inflammability
Answer : C

Question. Which of the following is a polyamide?
a. Teflon
b. Nylon –66
c. Terylene
d. Bakelite
Answer : B

Question. Three dimensional molecules with cross links are formed in the case of a:
a. Thermoplastic
b. Thermosetting plastic
c. Both
d. None
Answer : B

Question. Which of the following is a synthetic polymer?
a. Rubber
b. Perspex
c. Protein
d. Cellulose
Answer : B

 

Please click on below link to download CBSE Class 12 Chemistry Polymers Worksheet Set C