NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1887 - 1893 of 2029

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Question number: 1887

» Chemistry » Separation of Substances

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Question

The ore which can attract iron was found in Magnesia. It was first named as

Choices

Choice (4)Response

a.

Lodestone

b.

Magnetite

c.

Question does not provide sufficient data or is vague

d.

All of the above

Question number: 1888

» Chemistry » Changes Around Us

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Question

At which temperature the vapour pressure of a liquid is equal to the atmospheric pressure

Choices

Choice (4)Response

a.

b.

c.

Both a. and b. are correct

d.

None of the above

Question number: 1889

» Chemistry » Changes Around Us

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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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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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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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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

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