NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1896 - 1903 of 2028

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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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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.

Question number: 1900

» Chemistry » Coal and Petroleum

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MCQ▾

Question

What are the products do you expect, when is passed over red hot coke?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1901

» Chemistry » Coal and Petroleum

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MCQ▾

Question

The process involved in the formation of coal?

Choices

Choice (4) Response

a.

Vaporisation

b.

Evaporation

c.

Distillation

d.

Carbonisation

Question number: 1902

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Homogeneous solid solution of two or more metals is termed as?

Choices

Choice (4) Response

a.

Metalloid solution

b.

Alloy

c.

Allotrope

d.

Isotope

Question number: 1903

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Which of the following metals are present in ‘bell metal’?

Choices

Choice (4) Response

a.

Copper and tin

b.

Calcium and magnesium

c.

Zinc and copper

d.

Zinc and magnesium

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