NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1775 - 1782 of 2029
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Question number: 1775
» Chemistry » Sorting Materials into Groups
Question
The insoluble solids left on filter paper is called
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Tissue |
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| b. | Residue |
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| c. | Question does not provide sufficient data or is vague |
|
| d. | None of the above |
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Question number: 1776
» Chemistry » Sorting Materials into Groups
Question
Which device is used to determine relative density of a substance?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Hyetograph |
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| b. | Hygrometer |
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| c. | Six’s thermometer |
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| d. | Hydrometer |
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Question number: 1777
» Chemistry » Sorting Materials into Groups
Question
The solubility of Glauber’s salt is maximum at which temperature below 40◦C.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 32.8◦Celsius |
|
| b. | 34.2◦Celsius |
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| c. | 39◦Celsius |
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| d. | 32.7◦Celsius |
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Question number: 1778
» Chemistry » Sorting Materials into Groups
Question
The Relative Density of the substance has ________ relation with its water in comparison with water.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Not defined |
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| b. | No |
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| c. | Inverse |
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| d. | Direct |
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Question number: 1779
» Chemistry » Sorting Materials into Groups
Question
Formation of mixture does not evolve any change in.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Energy |
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| b. | Mixture |
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| c. | None of the above |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 1780
Question number: 1781
Question
Air is mostly polluted by.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Volcanic eruption |
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| b. | Crop rotation |
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| c. | Human activities |
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| d. | All of the above |
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Question number: 1782
Question
If humidity is amount of moisture present in air then moisture?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Humidity |
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| b. | Vapour |
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| c. | None of the above |
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| d. | Question does not provide sufficient data or is vague |
|