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Class-8 - Chemistry - Chapter-1 - Syntheti Fibers and Plasti

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the other name for artificial silk ?

a)

Nylon

b)

Acrylic

c)

Rayon

d)

Polyester

2.

Which fiber 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.

The strongest synthetic fibre is

a)

nylon

b)

rayon

c)

polyester

d)

acrylic

5.

Wood pulp is used to make

a)

plastic

b)

wool

c)

jute

d)

rayon

6.

Which of the following is a natural fibre?

a)

Wool

b)

Nylon

c)

PVC

d)

Polythene

7.

Melamine is

a)

thermoplastic polymer

b)

thermosetting polymer

c)

fibre

d)

branched polymer

8.

Fibre produced in factories is called

a)

man-made fibre

b)

natural fibre

c)

synthetic fibre

9.

PET is a

a)

polyester

b)

polyamide

c)

nylon

d)

thermosetting polymer

10.

Which of the following cannot be recycled?

a)

Toys

b)

Cooker handles

c)

Carry bags

d)

Plastic chair

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