Question

what are fuels????????​

Answer 1

Explanation:

A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy but has since also been applied to other sources of heat energy such as nuclear energy (via nuclear fission and nuclear fusion).

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Answer 2

Fuels:-

When heat energy is produced from burning of some materials is known as fuels. Fuels are very important in our routine life as they are used in homes, vehicles and industries.

Example:-

• Diesel
• Petrol
• Kerosene
• LPG

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Classification of fuels:-

Fules are classified into 3 types on the basis of their physical state:-

• Solid fuels
• Liquid fuels
• Gaseous fuels

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Solid fuels:- These are the fuels that are solid at room temperature.

Example:-

• Wood
• Charcoal

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Liquid fuels:- These are the fuels that are liquid at room temperature.

Example:-

• Diesel
• Petrol

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Gaseous fuels:- These are the fuels that are gaseous at room temperature.

Example:-

• Biogas
• Compressed natural gas (CNG)

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