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Worksheetssynthetic fiber
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
______ fiber is used in fishing net.
a)
rayon
b)
polyester
c)
nylon
d)
acrylic
2.
______ is known as artificial silk.
a)
nylon
b)
rayon
c)
polyester
d)
melamine
3.
____ is a natural polymer.
a)
cellulose
b)
glucose
c)
ester
d)
amide
4.
Each repeating unit of a polymer is called a ______
a)
unit
b)
cellulose
c)
monomer
d)
none of these
5.
______ is used to make swimwear.
a)
nylon
b)
rayon
c)
bakelite
d)
melamine
6.
(a) chain is seen in thermosetting plastic.
7.
_____ is an example of thermoplastic.
a)
PVC
b)
polystyrene
c)
polyethylene
d)
all of these
8.
Which of the following cannot be remoulded?
a)
PVC
b)
PET
c)
Melamine
d)
None of these
9.
Which of the following are the properties of polyester?
a)
it resists wrinkle.
b)
it is easy washable
c)
it is not a moth repellent.
d)
it is very weak but durable.
10.
____ plastic is used in non-stick frying pan.
a)
bakelite
b)
teflon
c)
melamine
d)
PET
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