WorksheetsSynthetic Fiber and Plastics
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Which fibre is known as artificial silk?
(a)
2.
Name the first fully synthetic fibre.
(a)
3.
Which of the following fibre has highest tensile strength
a)
(a) Cotton
b)
(b) Silk
c)
(c) Rayon
d)
(d) Nylon
4.
Polymers are made up of small units called
a)
(a) layers
b)
(b) molecules
c)
(c) cells
d)
(d) monomers
5.
Which of the following is a thermoplastic?
a)
(a) Bakelite
b)
(b) Melamine
c)
(c) PVC
d)
(d) All of these
6.
The basic component of plant fibres is
a)
(a) protein
b)
(b) cellulose
c)
(c) starch
d)
(d) none of these
7.
Name the Plastic which is used to make the articles shown in this image.
(a)
8.
Synthetic fibres do not absorb much (a) .
9.
Terylene is a common variety of polyester.
a)
True
b)
False
10.
Plastic that can resist fire is
a)
(a) bakelite
b)
(b) melamine
c)
(c) PVC
d)
(d) duroplast
100 %
