NSO Level 1- Science Olympiad (SOF) Class 8: Questions 505 - 511 of 1076
Access detailed explanations (illustrated with images and videos) to 1076 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.
Rs. 450.00 or
How to register?
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 |
|