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Polymers
- Online Test
Polymers
TEST : 2
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q1.
Buna – N is a polymer which is stretchable because of one of the following. Choose the most appropriate.
A.
None of these
B.
weakest intermolecular forces
C.
rubber – like solids
D.
elastomeric polymers,
View Solution
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Answer :
Option B
Explaination / Solution:
Buna N is polymer which is stretchable due to weakest intermolecular forces.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q2.
One of the following is a fibre.
A.
polyamide
B.
polyvinyl
C.
polystyrene
D.
polythene
View Solution
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Answer :
Option A
Explaination / Solution:
Polyamide is also a fibre.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q3.
Choose the most appropriate among the following for Bakelite
A.
undergoes extensive cross linking on heating
B.
C.
D.
View Solution
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Answer :
Option A
Explaination / Solution:
Bakelite undergoes extensive cross linking.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q4.
Polymerisation can be obtained by
A.
Both Chain growth and Condensation
B.
None of these
C.
Chain growth
D.
Condensation
View Solution
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Answer :
Option A
Explaination / Solution:
Polymerisation involves Chain growth Mechanism and also condensation.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q5.
Which polymers occur naturally in nature
A.
Proteins and buno
B.
Starch and nylon
C.
Starch and cellulose
D.
Proteins and PVC
View Solution
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Answer :
Option C
Explaination / Solution:
Starch and cellulose occur naturally.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q6.
Addition polymers formed by the polymerisation of a single monomeric species
A.
Elastomers
B.
condensation polymers
C.
homopolymers
D.
copolymers
View Solution
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Answer :
Option C
Explaination / Solution:
When single monomer is present polymer is homopolymer.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q7.
One of the statements below is not true for the classification of polymers can be classified on the basis of their
A.
unique mechanical properties
B.
structure of the polymers
C.
mode of polymerisation
D.
resistance to different agents
View Solution
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Answer :
Option D
Explaination / Solution:
Polymer cannot be classified on the basis of their resistance to different agents.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q8.
Which of the following is used as for manufacturing conveyor belts, gaskets and hoses.
A.
None of these
B.
Buna – N
C.
Buna – S
D.
Neoprene
View Solution
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Answer :
Option D
Explaination / Solution:
Neoprene is used in the manufacturing of Conveyor belts and hoses.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q9.
One of the following rubbers is used in making oil seals, tank lining, etc.
A.
Neoprene
B.
Buna – S
C.
Buna – N
D.
None of these
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
Buna N is used in making oil seals , tank linings.
# Polymers
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q10.
The copolymerisation of 1, 3 – butadiene and acrylonitrile
A.
Neoprene
B.
None of these
C.
Buna – N
D.
Buna – S
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
Copolymerisation of 1,3 butadiene and acrylonitrile gives Buna N.
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