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WorksheetsSynthetic fibres and plastics
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Small units that combine to form a large single unit is called
a)
Polymer
b)
Monomer
c)
Fibre
2.
Which fibre is also known as 'Artificial silk'
a)
Nylon
b)
Rayon
c)
Polyester
d)
Acrylic
3.
In which year was nylon fibre made
a)
1942
b)
1957
c)
1921
d)
1931
4.
Which is the best material for making switchboards
a)
Melamine
b)
Bakelite
c)
PVC
5.
Which are the examples of thermosetting plastics
a)
PVC
b)
Melamine
c)
Polythene
d)
Bakelite
6.
Which fibre is meant to be strong than a steel wire
a)
Nylon
b)
Rayon
c)
Silk
d)
Wool
7.
Full form of PET
(a)
8.
Which is a popular type of polyester
(a)
9.
Which is a special plastic on which oil and water does not stick
(a)
10.
Plastics reacts with water and air
a)
True
b)
False
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