NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1840 - 1847 of 2028

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Question number: 1840

» Physics » Stars and Solar System

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MCQ▾

Question

All stars appear to move from:

Choices

Choice (4) Response

a.

East to west

b.

North to south

c.

West to east

d.

South to north

Question number: 1841

» Physics » Stars and Solar System

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MCQ▾

Question

New moon is also known as:

Choices

Choice (4) Response

a.

Crescent

b.

Amavasya

c.

Purnima

d.

Waxing

Question number: 1842

» Physics » Stars and Solar System

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MCQ▾

Question

Who mathematically proved that the planets revolve around the sun in elliptical orbits?

Choices

Choice (4) Response

a.

Isaac Newton

b.

Galilei Galileo

c.

Albert Einstein

d.

Johannes Kepler

Question number: 1843

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Which type of distillation method is used to refine petroleum?

Choices

Choice (4) Response

a.

Distillation

b.

Destructive distillation

c.

Fractional distillation

d.

None of the above

Question number: 1844

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Which of the following metal is known as noble metal?

Choices

Choice (4) Response

a.

Lithium

b.

Mercury

c.

Gold

d.

Caesium

Question number: 1845

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Which of the following is a characteristic of a rocket fuel?

Choices

Choice (4) Response

a.

Should burn vapidly

b.

Light and compact

c.

High calorific value

d.

All a. , b. and c. are correct

Question number: 1846

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Identity the alloy of aluminium and ( magnesium metals ?

Choices

Choice (4) Response

a.

Alnico

b.

Duralumin

c.

t-metal

d.

Magnalium

Question number: 1847

» Chemistry » Coal and Petroleum

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MCQ▾

Question

What are the products formed when fuels burn, along with heat & light?

Choices

Choice (4) Response

a.

b.

c.

d.

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