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Fuels Quiz

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Questions and Answers

Which of the following is not a fuel used in homes?

Gasoline (correct)
Charcoal
Cow dung
Kerosene

What is the chemical process in which a substance reacts with oxygen to give off heat called?

Combustion (correct)
Fermentation
Oxidation
Reduction

What gas is produced when coal burns in air?

Carbon monoxide
Carbon dioxide (correct)
Sulfur dioxide
Nitrogen dioxide

What is the primary difference between the burning of a candle and the burning of coal?

Candle burns with a flame, coal does not (C) Signup and view all the answers

Which of the following is a commonly used fuel for running automobiles?

Compressed natural gas (CNG) (B) Signup and view all the answers

What is combustion?

The chemical process in which a substance reacts with oxygen to give off heat is called combustion. Signup and view all the answers

What are some fuels used in homes?

Fuels used in homes include cow dung, wood, coal, charcoal, and compressed natural gas (CNG). Signup and view all the answers

Name a few fuels used in trade and industry.

Fuels used in trade and industry include coal, petrol, diesel, and other industrial fuels. Signup and view all the answers

What fuels are used for running automobiles?

Fuels used for running automobiles include petrol, diesel, and compressed natural gas (CNG). Signup and view all the answers

What is the difference between the burning of a candle and the burning of a fuel like coal?

The primary difference is that a candle burns with a flame whereas coal does not. Signup and view all the answers

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Study Notes

Fuels and Combustion

Natural gas, LPG, and electricity are some common fuels used in homes.

Combustion Process

Combustion is a chemical process in which a substance reacts with oxygen to give off heat.

Coal Combustion

When coal burns in air, carbon dioxide gas is produced.

Difference between Burning a Candle and Burning Coal

The primary difference between the burning of a candle and the burning of coal is that a candle is a self-sustaining combustion process, whereas coal requires a continuous supply of oxygen to keep burning.

Fuels for Automobiles

Petrol or gasoline is a commonly used fuel for running automobiles.

Fuels in Trade and Industry

Fuels like diesel, petrol, and natural gas are used in trade and industry.

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