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 | |
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 | |
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 | |
Question 4
Question MCQ▾
The plastic which can be moulded is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | None | |
b. | Polythene | |
c. | Thermoplastic | |
d. | Thermosetting | |
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 | |
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 | |