NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1892 - 1899 of 2028

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Question number: 1892

» Chemistry » Coal and Petroleum

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MCQ▾

Question

What are A and B in the following reaction .

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1893

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Which of the following property of Tungsten metal makes it to be used in electric bulbs?

Choices

Choice (4)Response

a.

Its high density

b.

Its metallic character

c.

Its sonority

d.

Its tensile strength

Question number: 1894

» Chemistry » Combustion and Flame

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MCQ▾

Question

What are the products formed when methane burns in air?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1895

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Select the true statement from the following

Choices

Choice (4)Response

a.

Some non-metals are ductile

b.

Generally, metals are ductile

c.

All non-metals are ductile

d.

All metals are ductile

Question number: 1896

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Which of the following is used a fuel?

Choices

Choice (4)Response

a.

Ether

b.

Pitch tar

c.

Gasoline

d.

Grease

Question number: 1897

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Benzene is ________ type of fuel?

Choices

Choice (4)Response

a.

Liquid

b.

Solid

c.

Semisolid

d.

Gas

Question number: 1898

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Which of the following element is used to prepare a crucible, which used in lab to heat solid at high temperature?

Choices

Choice (4)Response

a.

Silicon

b.

Sulphur

c.

Graphite

d.

Phosphorous

Question number: 1899

» Chemistry » Combustion and Flame

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MCQ▾

Question

If of LPG cylinder is consumed by a family in days and its calorific value is then calculate the average energy consumed per day?

Choices

Choice (4)Response

a.

b.

c.

d.

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