Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowishblack liquid mixture of mainly hydrocarbons, and is found in geological name petroleum covers both naturally occurring unprocessed crude oil and petroleum products that consist of refined crude oil.. Petroleum is primarily recovered by oil drilling. ...
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Natural gas formation. Natural gas is a fossil fuel that is composed mainly of methane composed itself of carbon and hydrogen and is thus known as a hydrocarbon. [1] Natural gas formation (which is a gas) is essentially the same as the formation of oil (a liquid) and thus takes a significant amount of time with natural gas beginning to form ...
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Petroleum Formation, Maturation, Kerogen: Deeper burial by continuing sedimentation, increasing temperatures, and advancing geologic age result in the mature stage of hydrocarbon formation, during which the full range of petroleum compounds is produced from kerogen and other precursors by thermal degradation and cracking (in which heavy hydrocarbon molecules are broken up into lighter ...
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Uses of Coal. It is mainly used to generate heat and electricity. It is used in s and in industries to accomplish various tasks. It is the cheapest source of power fuel. The iron and steel industry depends heavily on fossil fuel for energy. It is also used to produce useful products such as coke, tar, and coal gas.
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The word petroleum is derived from the Latin language "petra" means rock and "oleum" means oil. That's why, petroleum means rock oil. Petroleum or mineral oil is the next major energy source in India after coal. Petroleum refineries act as a "nodal industry" for synthetic textile, fertilizer and numerous chemical industries.
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Crude oil is a term used to describe different types of raw oil that are extracted from the ground. This crude oil can vary considerably in density and consistency. It can be found as very thin and volatile to very thick and semisolid oil. The color of crude oil varies from a light golden yellow to a dark black.
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Hi, it looks like you're using AdBlock : (. Coal is a hard black coloured substance which is mainly carbonWhat are the uses of Coal?Different uses of Coal areIt is used in villages to cook foodIt is used in Thermal power plants to produce electricityIt was used in steam engines of train. It produced steam which ran the steam enginesHow is coa.
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The three fossil fuels are oil, natural gas, and coal. They are hydrocarbons formed from deeplyburied, dead organic material subject to high temperature and pressure for hundreds of millions of years and are a depletable, nonrenewable energy resource. Fossil fuel combustion (converting chemical energy into heat) powered the Industrial ...
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Coal is a combustible rock mainly composed of carbon along with variable quantities of other elements, mostly hydrogen, sulphur, oxygen and nitrogen. Coal occurs as layers, called coal beds or coal seams, that are found between other sedimentary rocks. Coal is slightly denser than water but less dense than most of the rocks of the Earth's crust ...
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Here, you can get answers to questions on some important concepts, such as explaining the process of formation of petroleum, the importance of coal and petroleum and so on. The free PDF of NCERT Exemplar Class 8 Solutions is available on BYJU'S website, which can be downloaded and used by the students based on their requirements. Click on the ...
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Although peat is used as a source of energy, it is not usually considered a is the precursor material from which coals are derived, and the process by which peat is formed is studied in existing swamps in many parts of the world (, in the Okefenokee Swamp of Georgia,, and along the southwestern coast of New Guinea).The formation of peat is controlled by several factors ...
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The process of coal formation is called carbonisation. The dead plants and vegetation due to temperature and high pressure over hundreds of years slowly turned into coal. This slow conversion of dead plants and forests into coal is called the process of carbonisation. ... Q. Explain the process of formation of petroleum. Ans. Petroleum is a ...
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Volcanic ash fell on top of huge floating log mats. When those log mats were buried inbetween the heated sedimentary layers deposited by the Flood, coal and oil were formed in a short amount of time. Laboratory research in the past few decades has shown that coal and oil may be formed quickly.
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Coal is a combustible black or brownishblack sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests. Layers of dirt and rock covered the ...
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Origin and occurrence of coal. Coals are obtained by natural 300 million years ago the earth had dense forests in low lying wetland to natural processes,like flooding, these forests buried under soil deposited over them they were compressed.
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Petroleum is a mixture of many substances such as gas, petrol, diesel, kerosene, lubricating oil, paraffin wax, etc. As these constituents serve different purposes, it is important to separate them, or in other words, refine the crude oil. This process of separation of various constituents of petroleum is called petroleum refining.
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Solution. The word 'petroleum' comes from the Latin roots of petra, meaning "rock" and oleum meaning "oil. Petroleum was formed from organisms living in the sea. As these organisms died, their bodies settled at the bottom of the sea and got covered with layers of sand and clay. Over millions of years, the absence of air, high ...
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Explain the process of the formation of petroleum. Ans. Petroleum was formed from dead organisms that got buried in the sea millions of years ago. These dead bodies got covered with layers of sand and clay.
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It is the coal with the lowest carbon content. The carbon content is only about 6070 %. It is formed during the younger stages of coal formation and thus has a lower carbon content. Due to the less amount of carbon, it is not fully black in colour and is somewhat brown. Lignite is used in electricity generation and in fertilizer production.
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Question 8: Explain the process of formation of petroleum. Answer: Petroleum is formed by the burial of aquatic plants and animals below the sea bed. The marine animals and plants died thousands of years ago and settled down in the bottom of the sea. In anaerobic conditions, microorganisms decompose this organic matter.
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NCERT Solutions for Class 8 Science Coal and Petroleum. 8. Explain the process of formation of petroleum. Ans. Petroleum is formed from organism living in the these organism died, their bodies settled at the bottom of the sea and got covered with layers of the sand and clay.
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Fossil fuels are nonrenewable sources of energy formed from the organic matter of plants and microorganisms that lived millions of years ago. The natural resources that typically fall under this category are coal, oil (petroleum), and natural gas. This energy (and CO 2) was originally captured via photosynthesis by living organisms such as plants, algae, and photosynthetic bacteria.
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Answer: (a)coalCoal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years. ... Some iron and steel making and other industrial processes burn coal. The extraction and use of coal causes many premature deaths and much illness.
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Origin of petroleum. Millions of years ago, the earth was populated with plants and animals. Much of that life was located in or adjacent to ancient rivers, lakes, and sea. As plants and animals died, their remains settled to the bottom of these bodies of water. Ancient rivers carried mud and sand that buried the organic material.
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Explain the process of the formation of petroleum. Answer: Petroleum is formed by the burial of aquatic plants and animals below the sea bed. The marine animals and plants died thousands of years ago and settled down in the bottom of sea. In anaerobic conditions, microorganisms decompose this organic matter.
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A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
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