NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1889 - 1896 of 2029
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Question number: 1889
» Chemistry » Changes Around Us
Question
Which one of the following is volatile in nature?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Water |
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| b. | Petrol |
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| c. | Milk |
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| d. | Common Salt |
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Question number: 1890
Question
If the output work done of a frictionless pulley is , then what is the input work done required for it?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
|
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| b. |
|
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| c. | Cannot calculated |
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| d. |
|
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Question number: 1891
» Chemistry » Separation of Substances
Question
The magnetic field lines of a bar magnet originates from ________ pole and Ends at ________ pole
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | South, north |
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| b. | North, south |
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| c. | South, west |
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| d. | All of the above |
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Question number: 1892
» Chemistry » Changes Around Us
Question
Burning is a change.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Physical change |
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| b. | Chemical change |
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| c. | All of the above |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 1893
» Chemistry » Separation of Substances
Question
What is the curie temperature of nickel?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 669.2 degrees Fahrenheit |
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| b. | 354 degrees Celsius |
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| c. | 627 K |
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| d. | All a. , b. and c. are correct |
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Question number: 1894
» Chemistry » Changes Around Us
Question
Changing of season is a change.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Fast |
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| b. | Periodic |
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| c. | Natural |
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| d. | Both b. and c. are correct |
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Question number: 1895
» Chemistry » Changes Around Us
Question
When sugar is heated its color changes into –
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Black |
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| b. | Brown |
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| c. | Red |
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| d. | Grey |
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Question number: 1896
» Chemistry » Separation of Substances
Question
What is the curie temperature of iron?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1071 K |
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| b. | 1053 K |
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| c. | 1043 K |
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| d. | 1029 K |
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