NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1931 - 1935 of 2000
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Question number: 1931
» Chemistry » The Nature of Matter
Question
Which of the following is the size of a colloidal particle?
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
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b. |
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c. |
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d. |
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Question number: 1932
» Chemistry » The Nature of Matter
Question
Which one of the following is used to separate drugs from blood?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Distillation | |
b. | Separating funnel | |
c. | Chromatography | |
d. | Sublimation | |
Question number: 1933
» Chemistry » The Nature of Matter
Question
Fog is commonly seen in winter season. It is a colloidal solution of?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Liquid particles dispersed in gas | |
b. | Solid particles dispersed in liquid | |
c. | Gaseous particles dispersed in liquid | |
d. | Solid particles dispersed in gas | |
Question number: 1934
» Chemistry » Structure of the Atom
Question
What does the valency ‘say’ about?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | The combining capacity of an element | |
b. | The atomicity of an element | |
c. | The oxidation number of an element | |
d. | Question does not provide sufficient data or is vague | |
Question number: 1935
» Biology » Improvement in Food Resources
Question
Match the following.
| List-Ⅰ (Column I) | List-Ⅱ (Column II) |
|---|---|
(A) Agar-agar gel | (i) Production of alcohol |
(B) Fermentation | (ii) Undifferentiated mass of cells |
(C) Horticulture | (iii) Used to grow callus |
(D) Callus | (iv) Recreational values |
Choices
| Choice (4) | Response | |
|---|---|---|
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a. |
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b. |
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c. |
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d. |
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