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Important questions on Coal And Its Products

MEDIUM

Statement: Coal tar contains large number of aliphatic hydrocarbons.

State whether the given statement is true or false.State whether the given statement is true or false.

A

True

B

False

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MEDIUM

Which country tops in coal production?

A

India

B

America

C

China

D

England

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MEDIUM
Assertion

Coal is a fossil fuel.

Reason

It is formed due to compression of inorganic material over millions of years.

A

Both Assertion and Reason are correct and the Reason is the correct explanation of the Assertion

B

Both Assertion and Reason are correct but the Reason is not the correct explanation of the Assertion

C

The Assertion is correct but the Reason is incorrect

D

The Assertion is incorrect and the Reason is correct

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MEDIUM

The underlined word in the following sentence has been jumbled up. Find the correct form of the word.
______ is obtained from mine.

A

Laco

B

Coal

C

Cola

D

None of these

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MEDIUM

Cresols present in coal tar are __________ in nature.

A

acidic

B

basic

C

neutral

D

amphoteric

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MEDIUM

Describe how coal is formed from dead vegetation. What is this process called?

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MEDIUM

Coal is free carbon.

A

True

B

False

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MEDIUM

What are the conditions required for the formation of coal?

This question has multiple correct options
A

High temperature

B

High pressure

C

Low temperature

D

Low pressure

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MEDIUM

Coal is formed from:

A

dead animals

B

dead vegetation

C

both of the above

D

none of the above

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MEDIUM

The process of conversion of dead vegetation into coal is termed as:

A

precipitation

B

reduction

C

oxidation

D

carbonization

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