WEBJun 19, 2014 · How Natural Gas Is Formed. Natural gas is a fossil fuel, like oil and coal, which releases pollution and global warming emissions when burned. Methane, the primary component of natural gas (or just "gas"), is itself a potent global warming pollutant, more than 80 times more powerful than carbon dioxide over a 20year period. Like oil, gas is a ...
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WEBJan 12, 2019 · The process by which petroleum can be separated from the various components is known as refining of petroleum. The components from which petroleum is separated have different boiling points. (Boiling Point is the point at which liquid is converted into gas on heating). Crude oil is heated in a furnace at around 400 degree Celsius.
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WEBJul 21, 2023 · 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. Lack of air, high temperature, and high pressure transformed these dead organisms into petroleum and natural gas.
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WEBSep 15, 2021 · How oil and gas was formed? Petroleum was formed from organic matter. The organic mater was deposited in a marine environment and remained buried under anoxic conditions for 100400 millions years. The increase of pressure and temperature slowly transformed the organic matter into hydrocarbons (kerogen, oil, gas).
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WEBCoal gas is obtained as a byproduct during the processing of coal to get coke. Explain the formation of petroleum. Ans. Petroleum was formed from organisms living in the sea. The remains of these organisms got settled at the bottom of the sea and subsequently got covered with sand and clay.
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WEBSolution. Petroleum is a fossil fuel that got formed from dead organisms that got buried in the sea millions of years ago. These animals slowly got trapped under soil and clay and more deposits were formed with time. Due to depth, the temperature and pressure raised and over the years they got converted into petroleum oil.
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WEBMay 2, 2024 · NCERT Solutions for Class 8 Science Chapter 3 Coal and Petroleum in Hindi and English Medium modified for new session 202425. ... Explain the process of formation of petroleum. ... As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation.
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Explain the process of formation of petroleum. Ans. Petroleum originated from the remains of sea organisms. When sea organisms died, they got buried at the bottom of sea. With passage of time, their bodies got covered with mud. Pressure and temperature rose as they got buried lower and lower.
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WEBCoal and Petroleum. Petroleum is known as "Black Gold. Petroleum is a liquid that occurs in rock formations naturally. This consists of a complex mixture, plus other organic compounds, of various hydrocarbon molecular weights. Petroleum is a fossil fuel which derives from prehistoric fossilized organic materials.
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WEBAs coal and petroleum are nonrenewable sources once they are used, they cannot be replaced. So, if we use coal and petroleum excessively then a point of time may come when it will not be available at all, which can create a crisis of electric energy. That's why Salma tries to save electricity, which can eventually save coal and petroleum.
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WEBDestructive distillation is a process involving the decomposition of a solid by heating it in a closed container and collecting the resultant volatile components and is mainly used for the distillation of coal. Fractional distillation is the process of separating volatile components of miscible liquids on the basis of difference in their ...
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WEBApr 2, 2019 · Decomposing plants and other organisms, buried beneath layers of sediment and rock, have taken millennia to become the carbonrich deposits we now call fossil fuels. These nonrenewable fuels ...
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WEBJun 10, 2019 · Lakhmir Singh Science Class 8 Chapter 5 Very Short Answer Type Questions. Question 1. Name three useful products of coal. Answer: The three useful products of coal are following: Coke: It is a tough, porous and black substance. It is almost pure form of carbon. Coal tar: It is a mixture of about 200 substances.
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WEBQ. Explain the process of carbonisation and how coal is formed? [5 MARKS] Q. The temperature at which plastic layer formation takes place during carbonisation of coal varies from: Q. Carbonisation is the process in which dead plants and vegetation is converted slowly into coal. Q. Explain the process of carbonisation. [2 MARKS] Q.
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WEB18. Name two places in India where coal is found. Answer. West Bengal and Jharkhand are two places in India where coal is found. 19. Name the petroleum product used for surfacing of roads. The petroleum product used for surfacing of roads is Bitumen. 20. Name any four places in India where petroleum is found.
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WEBJul 7, 2021 · 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 .
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WEBJul 21, 2023 · Step by step video image solution for Explain the process of formation of petroleum. by Chemistry experts to help you in doubts scoring excellent marks in Class 8 exams. Updated on: 21/07/2023 Class 8 CHEMISTRY COAL AND PETROLEUM
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WEBFeb 22, 2023 · How crude oil is refined into petroleum products. Petroleum refineries convert (refine) crude oil into petroleum products for use as fuels for transportation, heating, paving roads, and generating electricity and as feedstocks for making chemicals.. Refining breaks crude oil down into its various components, which are then selectively .
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WEBOct 19, 2023 · Hydraulic fracturing, or fracking, is a drilling method used to extract petroleum (oil) or natural gas from deep in the planet. In the fracking process, cracks in and below Earth's surface are opened and widened by injecting water, chemicals, and sand at high pressure. Some resources extracted through fracking are called " tight oil " or ...
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WEBAug 15, 2023 · Coal is a nonclastic sedimentary rock. They are the fossilized remains of plants and are in flammable black and brownishblack tones. Its main element is carbon, but it can also contain different elements such as hydrogen, sulfur and oxygen. Unlike coal minerals, it does not have a fixed chemical composition and crystal structure.
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WEBJul 3, 2023 · 2)It has high calorific to this,a given amount of LPG produces a lot of heat. 3)It burns with smokeless flame and hence do not cause air pollution. 4)It does not produce any poisonous gas. 5)It does not leave behind any solid residue on burning. Filed Under: Class 8, Coal and Petroleum Tagged With: bitumen, diesel, fractional ...
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WEB3 days ago · How is petroleum formed? Explain the process of refining petroleum. ... The slowest and the last stage of coal formation is known as _____. The process of separation of crude oil into various components based .
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WEBExplain the process of formation of petroleum. Answer. Petroleum was formed from plants and animals 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.
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WEBMay 29, 2024 · Coal is an abundant natural resource that can be used as a source of energy, as a chemical source from which numerous synthetic compounds (, dyes, oils, waxes, pharmaceuticals, and pesticides) can be derived, and in the production of coke for metallurgical is a major source of energy in the production of electrical .
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WEBOct 19, 2023 · Natural gas is a fossil other fossil fuels such as coal and oil, natural gas forms from the plants, animals, and microorganisms that lived millions of years ago. There are several different theories to explain how fossil fuels are formed. The most prevalent theory is that they form underground, under intense conditions. As plants, .
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WEBOct 11, 2019 · Coal and Petroleum Class 8 Extra Questions Long Answer Questions. Question 1. Explain about the varieties of coal. Answer: Depending upon the amount of carbon content, coal may be of four types: Peat: This is the most inferior and softest form of coal. Its carbon content is very low. It has a large amount of moisture and is not much .
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WEBPetroleum is a complex mixture of compounds known as hydrocarbons (Hydrocarbons are compounds which are made up of only two elements : carbon and hydrogen). Petroleum is insoluble in water. Petroleum is a natural resource obtained from deep oil wells which are dug in certain areas of the earth. Just like coal, petroleum is also a fossil fuel.
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WEBThe advantages of using compressed natural gas (CNG) and liquified petroleum gas (LPG) as fuels are: (i) They can be burnt directly. (ii) They can be transported easily through pipe lines. (iii) They are clean fuels and do not give smoke when burnt. (iv) They give a lot of heat energy when burnt.
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WEB1 day ago · This process of the formation of coal is known as carbonization. 4. Fill in the banks. a) Fossil fuels are ____, ____ and _____. Ans: Fossil fuels are coal, petroleum and natural gas. b) Process of separation of different constituents from petroleum is called ____. Ans: Process of separation of different constituents from petroleum is called ...
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WEBCarbonization: The slow process of conversion of wood into coal over millions of years is called carbonization. Uses of coal : Coal is widely used as a fuel for domestic and industrial appliions. Thermal power stations burn coal to convert water into steam, which is then used to run generators that produce electricity.
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WEBCoal and petroleum are formed as a result degradation of ancient plan life which lived millions of years ago. ... explain the process of formation of Petroleum Related: Chapter 5 Coal and Petroleum Brief of Complete Chapter, Class 8 Science? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared ...
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