Chemistry-Coal and Petroleum (NSTSE (National Science Talent Search Exam- Unified Council) Class 8): Questions 1 - 8 of 36

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Question number: 1

» Chemistry » Coal and Petroleum

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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: 2

» 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: 3

» Chemistry » Coal and Petroleum

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Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 4

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Which of the following is involved to the process of “carbonisation”?

Choices

Choice (4) Response

a.

Coal

b.

Coke

c.

Petroleum

d.

Hydrocarbons

Question number: 5

» Chemistry » Coal and Petroleum

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Question

Water gas is a mixture of?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 6

» Chemistry » Coal and Petroleum

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Question

Petroleum is also known as?

Choices

Choice (4) Response

a.

Fossil fuel

b.

Black gold

c.

Hydrocarbon

d.

All a. , b. and c. are correct

Question number: 7

» Chemistry » Coal and Petroleum

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MCQ▾

Question

The gas in LPG cylinder (cooking gas) is liquefied by?

Choices

Choice (4) Response

a.

Increasing volume

b.

Replacing pressure

c.

Applying pressure

d.

Increasing temperature

Question number: 8

» Chemistry » Coal and Petroleum

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MCQ▾

Question

Which of the following chemical is present in matchstick when it combust?

Choices

Choice (4) Response

a.

Starch and wool

b.

Potassium chlorate

c.

Antimony sulphide

d.

Phosphorous

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