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

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MCQ▾

Question

Which one of the following is volatile in nature?

Choices

Choice (4) Response

a.

Water

b.

Petrol

c.

Milk

d.

Common Salt

Question number: 1890

» Physics » Work and Machines

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MCQ▾

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.

b.

c.

Cannot calculated

d.

Question number: 1891

» Chemistry » Separation of Substances

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MCQ▾

Question

The magnetic field lines of a bar magnet originates from ________ pole and Ends at ________ pole

Choices

Choice (4) Response

a.

South, north

b.

North, south

c.

South, west

d.

All of the above

Question number: 1892

» Chemistry » Changes Around Us

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MCQ▾

Question

Burning is a change.

Choices

Choice (4) Response

a.

Physical change

b.

Chemical change

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 1893

» Chemistry » Separation of Substances

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MCQ▾

Question

What is the curie temperature of nickel?

Choices

Choice (4) Response

a.

669.2 degrees Fahrenheit

b.

354 degrees Celsius

c.

627 K

d.

All a. , b. and c. are correct

Question number: 1894

» Chemistry » Changes Around Us

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MCQ▾

Question

Changing of season is a change.

Choices

Choice (4) Response

a.

Fast

b.

Periodic

c.

Natural

d.

Both b. and c. are correct

Question number: 1895

» Chemistry » Changes Around Us

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MCQ▾

Question

When sugar is heated its color changes into –

Choices

Choice (4) Response

a.

Black

b.

Brown

c.

Red

d.

Grey

Question number: 1896

» Chemistry » Separation of Substances

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MCQ▾

Question

What is the curie temperature of iron?

Choices

Choice (4) Response

a.

1071 K

b.

1053 K

c.

1043 K

d.

1029 K

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