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Petroleum is a fossil fuel made from dead and decaying organisms. It is the basic source of energy used in transportation. Kerosene, propane, butane and gasoline are a few derivatives of petroleum. It is vicious and through derivatives can easily get converted to any raw product.
Also Read: Natural Sources of Energy
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Key Terms: Petrol, Fuel, Petroleum, Composition Of Petroleum, Energy, Fossil Fuel, Renewable Source Of Energy, Environment
What Is Petroleum?
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Petroleum also known as black gold is a naturally occurring crude oil on which human life is dependent. It is a fossil fuel found deep under the earth’s crust.
Petroleum is discussed below:
- Petroleum can be seen as either yellow or black in colour.
- It is a versatile liquid mixture of hydrocarbon.
- Petroleum is a nonrenewable source of energy.
- Refined petroleum raises useful by-products which are used for domestic and commercial purposes.

Petroleum
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| Articles Related To Petroleum | ||
|---|---|---|
| Coal and Petroleum | Carbon cycle | Calorific value of fuels |
Uses Of Petroleum
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The uses and applications of petroleum in different sectors are:
- Petroleum In Agriculture
- Petroleum is used to manufacture ammonia which is used as a fertilizer.
- Petroleum is used in the production of fertilizers.
- The types of machinery used in agriculture mainly work on petroleum.
- Petroleum In Domestic Use
- Vaseline which is used on the face is made from petroleum.
- Wax, and kerosene used at home are produced using petroleum.
- Petroleum In Transportation
- Petroleum accounts for two-thirds of the total transportation fuel globally.
- Gasoline/petrol, diesel, liquefied petroleum gas (LPG), jet fuel, and marine fuel are the major transportation fuels obtained from petroleum.

Illustration Of Crude Oil
- Petroleum In Pharmaceuticals
- Petroleum is used as a by-product for manufacturing topical medicines.
- Petroleum is used in complex organic molecules
- Petroleum In Power Generation
- In thermal power plants petroleums are used for electricity generation.
- The petroleum in the power plants is converted into other forms of energy.
- Petroleum In Lubricants
- Petroleum in mainly all industries are used as a lubricant to reduce friction.
- Petroleum reduces heat between mechanical components
- Petroleum In Chemical Industry
- In chemical companies raw materials are by-products of petroleum refineries.
- Products in the chemical industry produced using petroleum by-products are synthetic fibres, insecticides, synthetic rubber, dyes, paints etc.
Also Read: Differences between Renewable and Non-Renewable Resources of Energy
Advantages Of Petroleum
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The advantages of petroleum are:
- Petroleum is easy to extract.
- Petroleum is cost efficient.
- Petroleum has density.
- Petroleum is essentially used in the cosmetic industry.
- Petroleum is a stable energy source.
- Petroleum is easy to transport.
- Petroleum is multipurpose.
Disadvantages Of Petroleum
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The advantages of petroleum are:
- Petroleum is unfriendly to the environment.
- The transportation of petroleum spills.
- Petroleum is a scanty resource.
- Petroleum releases hazardous toxins.
- Petroleum contributes to acid rain.
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| Chapter Related Topics | ||
|---|---|---|
| Types of Fuel | Effects of Burning Fossil Fuels | Mineral Fuels |
Things To Remember
- Petroleum is also known as black gold.
- Petroleum can be seen as either yellow or black in colour.
- Petroleum is used in the production of fertilizers.
- Petroleum is used in complex organic molecules.
- Petroleum is unfriendly to the environment.
Sample Questions
Ques. Define petroleum. (2 Marks)
Ans. Petroleum is defined as:
- Petroleum also known as black gold is a naturally occurring crude oil on which human life is dependent.
- Petroleum is a fossil fuel found deep under the earth’s crust.
- Petroleum can be seen as either yellow or black in colour.
- It is a versatile liquid mixture of hydrocarbon.
- Refined petroleum raises useful by-products which are used for domestic and commercial purposes.
Ques. What are the basic components of petroleum? (2 Marks)
Ans. The basic components of petroleum are:
- Metals: 0 - 0.14%
- Nitrogen: 0.1 - 2 %
- Hydrogen: 11 - 14%
- Oxygen: 0.1 - 0.2%
- Sulphur: 0.06 - 2%
- Carbon: 84 - 87%
Ques. State five uses of petroleum. (7 Marks)
Ans. The uses and applications of petroleum in different sectors are:
Petroleum In Agriculture
- Petroleum is used to manufacture ammonia which is used as a fertilizer.
- Petroleum is used in the production of fertilizers.
- The types of machinery used in agriculture mainly work on petroleum.
Petroleum In Domestic Use
- Vaseline, wax, and kerosene are some home-used products produced using petroleum.
Petroleum In Transportation
- Petroleum accounts for two-thirds of the total transportation fuel globally.
- Gasoline/petrol, diesel, liquefied petroleum gas (LPG), jet fuel, and marine fuel are the major transportation fuels obtained from petroleum.
Petroleum In Pharmaceuticals
- Petroleum is used as a by-product for manufacturing topical medicines.
- Petroleum is used in complex organic molecules
Petroleum In Power Generation
In thermal power plants petroleums are used for electricity generation.
Ques. Is petroleum a renewable or non-renewable source of energy? (1 Mark)
Ans. Petroleum is a nonrenewable source of energy. It is a fossil fuel extracted from the deep layers of the earth through a very complex process. Petroleum is present in a limited amount.
Ques. State the advantages of petroleum. (2 Marks)
Ans. The advantages of petroleum are:
- Petroleum is easy to extract.
- Petroleum is cost efficient.
- Petroleum has density.
- Petroleum is essentially used in the cosmetic industry.
- Petroleum is a stable energy source.
Ques. What is the use of petroleum in the chemical industry? (1.5 Marks)
Ans. Petroleum in the chemical industry is used as:
- In chemical companies, raw materials are by-products of a petroleum refinery.
- Products in the chemical industry produced using petroleum by-products are synthetic fibres, insecticides, synthetic rubber, dyes, paints etc.
Ques. What are the different types of petroleum? (1 Mark)
Ans. Tar, oil, and natural gas are the few most familiar types of petroleum.
Ques. List a few examples of petroleum products obtained from petroleum. (2 Marks)
Ans. Petroleum products obtained from petroleum are:
- Gasoline
- Liquefied natural gas
- Liquefied petroleum gas
- Kerosene
- Diesel
- FuelFuel oil
Ques. What are the disadvantages of petroleum? (2 Marks)
Ans. The advantages of petroleum are:
- Petroleum is unfriendly to the environment.
- The transportation of petroleum spills.
- Petroleum is a scanty resource.
- Petroleum releases hazardous toxins.
- Petroleum contributes to acid rain.
Ques. Is plastic a type of by-product of petroleum? (1 Mark)
Ans. Yes, plastics are made from petroleum and it is non-biodegradable.
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