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Synthetic fibres and plastics

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the other name for artificial silk?

a)

Nylon

b)

Rayon

c)

Acrylic

d)

Polyester

2.

Which fibre is used as artificial wool?

a)

Acrylic

b)

Rayon

c)

Nylon

d)

Cotton

3.

Polymers are made up of small units called

a)

layers

b)

molecules

c)

cells

d)

monomers

4.

Wood pulp is used to make

a)

plastic

b)

wool

c)

jute

d)

rayon

5.

Which of the following is a natural fibre?

a)

Wool

b)

Nylon

c)

PVC

d)

Polythene

6.

Fibre produced in factories is called

a)

man-made fibre

b)

natural fibre

c)

synthetic fibre

d)

both (a) and (c)

7.

Which of the following is natural fibre obtained from plants?

a)

Cotton

b)

Wool

c)

Rayon

d)

Ketone

8.

Which term is used for polymers made up of a large number of glucose units?

a)

Protein

b)

Fructose

c)

Cellulose

d)

Polyester

9.

Raw materials for preparation of synthetic fibres are obtained from

a)

coal

b)

petroleum

c)

natural gas

d)

all of these

10.

In which year was nylon made?

a)

1931

b)

1964

c)

1948

d)

1950

11.

Which of the following is an example of animal fibre?

a)

Cotton

b)

Jute

c)

Silk

d)

Nylon

12.

The raw materials used in making nylon are

a)

wood pulp

b)

cellulose

c)

coal, water and air

d)

all of these

13.

The purest natural form of cellulose is

a)

rayon

b)

cotton

c)

wool

d)

silk

14.

The polymers in which smaller units are linked to each other in straight arrangement are called

a)

cross-linked polymers

b)

linear polymers

c)

branched polymers

d)

none of the above

15.

Synthetic fibres are

a)

durable

b)

wrinkle free

c)

economical

d)

all of these