Chemistry-Matter [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 7 of 61
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Question 1
Question MCQ▾
If atmospheric pressure decreases the boiling point of a liquid ________
Choices
Choice (4) | Response |
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a. | Increases |
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b. | Remains same |
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c. | Cannot say |
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d. | Decrease |
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EditQuestion 2
Question MCQ▾
Which of the following statement is correct?
Choices
Choice (4) | Response |
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a. | Only liquids can flow |
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b. | Gases and solids can flow |
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c. | Only gases can flow |
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d. | Gases and liquids can flow |
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EditQuestion 3
Question MCQ▾
The simplest of matter is ________
Choices
Choice (4) | Response |
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a. | Compound |
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b. | Atom |
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c. | Element |
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d. | Mixture |
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EditQuestion 4
Question MCQ▾
What effect is seen on kinetic energy of the molecule, when heat energy is supplied?
Choices
Choice (4) | Response |
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a. | Remains same |
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b. | Decreases |
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c. | Increases |
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d. | First increases then decreases |
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EditQuestion 5
Question MCQ▾
Select the element which is not liquid at room temperature.
Choices
Choice (4) | Response |
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a. | Gallium |
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b. | Mercury |
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c. | Bromine |
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d. | Copper |
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EditQuestion 6
Question MCQ▾
Which form of particle has regular arrangement of lattice?
Choices
Choice (4) | Response |
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a. | Crystalline form |
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b. | Amorphous form |
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c. | Liquid form |
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d. | None of the above |
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EditQuestion 7
Question MCQ▾
How can a gas be liquefied?
Choices
Choice (4) | Response |
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a. | Increasing the temperature |
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b. | Lowering the temperature |
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c. | Increasing the pressure |
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d. | Increasing the pressure and lowering the temperature |
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