Formation of Coal and Fossil Fuels

Learn about the formation of coal, a type of fossil fuel, from the remains of living organisms that were buried and compressed over millions of years. Explore how dense forests from around 300 million years ago contributed to the formation of this important energy source.

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Questions and Answers

What is the main product obtained from coal when it burns in air?

Carbon dioxide gas

Which industry uses coke as a crucial raw material for the manufacture of steel?

Steel industry

What useful products can be obtained from processing coal in industries?

Coke, coal tar, and coal gas

What is the almost pure form of carbon obtained from coal processing?

Coke Signup and view all the answers

Which of the following substances is NOT a product obtained from coal tar?

Aluminum Signup and view all the answers

What is the main process through which dead plants are converted into coal?

Carbonisation Signup and view all the answers

What are the products of coal that are considered fossil fuels?

Coke, coal tar, and coal gas Signup and view all the answers

Which of the following is obtained by refining petroleum?

Kerosene Signup and view all the answers

What is the process called when dead vegetation transforms into coal?

Carbonization Signup and view all the answers

Which statement about fossil fuels is false?

They can be made in the laboratory. Signup and view all the answers

What makes coke a valuable fuel?

It has high calorific value. Signup and view all the answers

Describe a characteristic use of coal tar.

As a surfacing material for roads Signup and view all the answers

What are naphthalene balls used for?

Repelling moths and other insects Signup and view all the answers

In what year was coal gas first used for street lighting in London?

1810 Signup and view all the answers

Why is coal tar described as a black, thick liquid?

Because of its unpleasant smell Signup and view all the answers

What is the primary use of coal gas in today's industries?

As a source of heat Signup and view all the answers

Where are petrol and diesel obtained from?

From petroleum Signup and view all the answers

How is petroleum formed according to the text?

From dead organisms under high temperature and pressure Signup and view all the answers

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