NCERT Class 8 Science-Synthetic Fibres and Plastics[Plastics] [NCERT Based General Studies (GS)]: Questions 1 - 6 of 6

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Question 1

Question MCQ▾

Name one versatile material

Choices

Choice (4)Response

a.

Only a

b.

a and b

c.

Melamine

d.

Bakelite

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Question 2

Question MCQ▾

Examples of thermoplastic material are

Choices

Choice (4)Response

a.

Nylon, Polythene

b.

PVC, PTFE

c.

Bakelite

d.

Both a. and b. are correct

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Question 3

Question MCQ▾

Plastics whose shape cannot be changed even by heating are:

Choices

Choice (4)Response

a.

Polythene

b.

Thermoplastic

c.

a and b

d.

Thermosetting

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Question 4

Question MCQ▾

The plastic which can be moulded is

Choices

Choice (4)Response

a.

None

b.

Polythene

c.

Thermoplastic

d.

Thermosetting

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Question 5

Question MCQ▾

Bakelite is an example of:

Choices

Choice (4)Response

a.

a and b

b.

Thermoplastic plastics

c.

Thermosetting plastics

d.

Polythene

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Question 6

Question MCQ▾

What are the characteristics of thermoplastic?

Choices

Choice (4)Response

a.

They are flexible.

b.

They soften on warming.

c.

They stretch easily.

d.

All a., b. and c. are correct

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