Question

Give two examples each for a solid, liquid and gaseous fuel along with some important uses.

Answer 1

Solid fuel:

• Fuel is a substance that produces heat when it undergoes combustion.
• Solid fuel is known to be which fuel that is solid in nature.
• Examples are: Wood, Coal, coke, etc.
• We use Coal in factories or industries as fuel.
• Wood is used as a domestic fuel mainly for cooking purposes in every household.

Liquid fuel:

• Liquid fuels are substances that are liquid in nature.
• Examples are: Petrol, Kerosene, diesel, cooking oil, etc.
• Petrol or diesel are mostly being used as fuel in vehicles.
• Kerosene as liquid fuel is used in stoves for cooking purposes.

Gaseous fuel:

• Gaseous fuels are the fuels that exist as gaseous substances in nature.
• Examples are LPG, CNG, etc.
• LPG is being used as fuel in cylinders in every household for cooking purposes.
• We use CNG as a gaseous fuel in our vehicles for transportation.

Hence, two examples each for solid fuel: wood and Coal; liquid fuel: petrol and kerosene and gaseous fuel: LPG and CNG.