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Thermoplastics & Thermosetting plastics

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

What is a thermoplastic?

a)
b)
2.

Name the plastic used for making water pipes

a)

Polythene

b)

PVC

c)

Acrylic

d)

Bakelite

3.

Polythene which is used to make polythene bags is an example of a ________.

a)

Thermoplastics

b)

thermosetting plastics

4.

Plastics are divided into ___ groups.

a)

2

b)

3

c)

4

d)

5

5.

Look at the image and identify the group of plastics in which it belongs.

a)

Thermosetting Plastic

b)

Thermoplastics

6.

Look at the image and identify the group of plastics in which it belongs.

a)

Thermosetting Plastic

b)

Thermoplastics

7.

Look at the image and identify the group of plastics in which it belongs.

a)

Thermosetting Plastic

b)

Thermoplastics

8.

Look at the image and identify the group of plastics in which it belongs.

a)

Thermosetting Plastic

b)

Thermoplastics

9.

Thermosetting plastic is

a)

a plastic that can be repeatedly reheated and remoulded.

b)

a plastic that can be distorted under pressure but will return to its original shape after pressure is released.

c)

a plastic that can not be repeatedly reheated and remoulded.

10.

Which plastic does this polymer chain represent?

a)

Thermoplastic

b)

Thermosetting

c)

Elastomer

11.

Bakelite and Melamine are examples of

a)

Silk

b)

Thermosetting Plastics

12.

Which of the following plastics is used for making electric switches, plugs and sockets?

a)

Polythene

b)

Polyvinyl chloride Melamine

c)

Melamine

d)

Bakelite

13.

Which of the following is a fire-resistant plastic and is used to coat the uniforms of firemen?

a)

Teflon

b)

Melamine

c)

Bakelite

d)

PVC

14.

Identify the product based on the given features.

I. It is a man-made product.

II. It has a linear arrangement of monomer units.

III. It is used for making goods like toys, combs, containers, etc.

a)

Lycra

b)

Rayon

c)

Thermosets

d)

Thermoplastics