NSO Level 1- Science Olympiad (SOF) Class 8: Questions 505 - 511 of 1076
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Question number: 505
» Synthetic Fibres and Plastics
Question
The uses of some materials are given in the statement. Identify them
A Plastic used for making containers and carry bags
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Polythene |
|
| b. | PVC |
|
| c. | Polyester |
|
| d. | Nylon |
|
Question number: 506
Question
Which of the following is a non-metal?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Copper |
|
| b. | Zinc |
|
| c. | Carbon |
|
| d. | Mercury |
|
Question number: 507
» Synthetic Fibres and Plastics
Question
Options are given in the jumbled form. Reshuffle the spellings and identify the correct options.
The material known as artificial silk
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | yoln |
|
| b. | yopetlers |
|
| c. | relyente |
|
| d. | yaron |
|
Question number: 508
» Synthetic Fibres and Plastics
Question
We are familiar with the four R’s used in environment protection. Identify the R used in the situations
Cotton is an example of a polymer called
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | PVC |
|
| b. | Polythene |
|
| c. | Polycot |
|
| d. | Glucose |
|
Question number: 509
Question
Which of the following is the least reactive metal?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Sodium |
|
| b. | Gold |
|
| c. | Copper |
|
| d. | Iron |
|
Question number: 510
» Synthetic Fibres and Plastics
Question
Options are given in the jumbled form. Reshuffle the spellings and identify the correct options.
Polycot is a mixture of
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Yoln, oowl |
|
| b. | Oowl, yopetlers |
|
| c. | Yopetlers, tocnot |
|
| d. | Yoln, tocnot |
|
Question number: 511
» Synthetic Fibres and Plastics
Question
Examples of thermosetting plastic are
-
Polythene
-
PVC
-
Bakelite
-
Melamine
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 3 and 4 |
|
| b. | 2 and 3 |
|
| c. | 1 and 2 |
|
| d. | 1 and 4 |
|