Coal is fossil fuel or fuel that comes from the remains of prehistoric plants or animals. The formation of coal occurs over millions of years via a process known as carbonation. In this process, dead vegetation is converted into carbonrich coal under very high temperature and pressure. Table of Contents. Formation of Coal; Recommended Videos
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CBSE Class 8 Chemistry Chapter 5 Coal and Petroleum Set 2. Q1: What advice did PCRA offer regarding fuel efficiency when driving? Q2: Identify the following: a) A fuel used in railway engines to produce steam. b) A process of conversion of dead vegetation into coal. c) A product used as a starting material in the production of explosives.
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The slow process of conversion of dead vegetation into coal is called as carbonisation. Since coal was formed from the remains of the plants, it is called a fossil formation of coaloccurs over millions of years. In thisprocess, dead vegetation is converted into carbonrich coal under very high temperature and pressure.
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Refining is the process of purifying a substance and recycling is the process of converting waste into useful substances. Thus, options A, B, and C are incorrect. Coal is mainly composed of carbon. Thus, the conversion of dead vegetation into coal is termed carbonization. So option D is correct.
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and high temperature, dead plants got slowly converted to coal. As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Since it was formed from the remains of vegetation, coal is also called a fossil fuel. A coal mine is shown in Fig. COAL AND PETROLEUM 33 Rationalised202324
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Question 18 (a) The slow process of conversion of dead vegetation into coal is called ___. (b) Coal and petroleum are formed from the dead remains of organisms and are known as ___. (c) The black thick liquid with ___ smell is known as coal tar (d) During the processing of coal to get coke, coal tar and ___ are also obtained. (e) The process of separating the various constituents of petroleum ...
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As more soil deposited over them, they were compressed. The temperature also rose as they sank deeper and deeper. Under high pressure and high temperature, dead plants got slowly converted to coal, which mainly contains carbon. The slow process of conversion of dead vegetation into coal is called carbonization. Question 4. Fill in the blanks.
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(a) The slow process of conversion of dead vegetation into coal is called ___. (b) Coal and petroleum are formed from the dead remains of organisms and are known as ___. (c) The black thick liquid with ___ smell is known as coal tar (d) During the processing of coal to get coke, coal tar and ___ are also obtained.
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The process of conversion of dead vegetation into coal is termed as: Q. The slow conversion of wood into coal by a biochemical process extending over millions of years is called as ___________.
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Solution: Plants contain mainly carbon, which gets converted into coal. Hence, the slow process of conversion of dead vegetation into coal is called carbonisation. 3. Identify the gas that is generally produced when coal is burnt in the presence of a lot of air. A. Carbon monoxide. B. Sulphur dioxide. C. Nitrogen dioxide. D. Carbon dioxide
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Detailed Solution. Download Solution PDF. The slow process of conversion of dead vegetation into coal is called carbonisation. As coal mainly contains carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Download Solution PDF.
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1. Fuels obtained from dead remains of living organisms. (6, 5) 2. A process by which the various constituents of petroleum are separated. (8) 3. A porous black substance obtained from coal. (4) 4. Another name for motor fuel. (6) Down. 5. The substance obtained by carbonisation. (4) 6. Fuel for heavy motor vehicles. (6) 7. A petroleum product ...
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As coal contains mainly carbon, the conversion of dead vegetation into coal is called carbonization. The wide, shallow seas of the Carboniferous Period provided ideal conditions for coal formation, although coal is known from most geological periods. ... (CO 2) emissions in the conversion process. If coal liquefaction is done without employing ...
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The longestrunning study of its kind reviewed death records in the path of pollution from coalfired power plants. The numbers are staggering − but also falling fast as US coal plants close.
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Question 18 (a) The slow process of conversion of dead vegetation into coal is called ___. (b) Coal and petroleum are formed from the dead remains of organisms and are known as ___. (c) The black thick liquid with ___ smell is known as coal tar (d) During the processing of coal to get coke, coal tar and ___ are also obtained. (e) The process of separating the various constituents of petroleum ...
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and high temperature, dead plants got slowly converted to coal. As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Since it was formed from the remains of vegetation, coal is also called a fossil fuel.
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The temperature also increased as they sank deeper and deeper. Under high pressure and high temperature, dead plants got slowly converted to coal. As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Since it was formed from the remains of vegetation, coal is also called a fossil fuel.
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(a) The slow process of conversion of dead vegetation into coal is called_____. (b) Coal and petroleum are formed from the dead remains of organisms and are known as _____. (c) The black thick liquid with _____ smell is known as coal tar. (d) During the processing of coal to get coke, coal tar and _____ are also obtained.
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Best Answer. carbonisation Solution: Plants contain mainly carbon, which gets converted into coal. Hence, the slow process of conversion of dead vegetation into coal is called carbonisation. 3.
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The slow process of conversion of dead vegetation into coal is called _____. A. carbonisation. B. ... And Petroleum Question 14 Plants contain mainly carbon, which gets converted into coal. Hence, the slow process of conversion of dead vegetation into coal is called carbonisation. View Solution. Olympiad Test: Coal And Petroleum Question 15 ...
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c) The process of separating various constituents of petroleum._____ d) A slow process of conversion of dead vegetation into coal _____. 7) Petroleum and natural gas deposits are shown in figure. Where will be oil, gas and water present. 8) Constituents of petroleum are shown in figure below. Write one use of each constituent.
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(a) The slow process of conversion of dead vegetation into coal is called_____. (b) Coal and petroleum are formed from the dead remains of organisms and are known as _____. (c) The black thick liquid with _____ smell is known as coal tar. (d) During the processing of coal to get coke, coal tar and _____ are also obtained.
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Solution. Verified by Toppr. Dead remains of plants got buried under the earth millions of years ago. Due to intense heat and pressure inside the earth they got converted into coal. The process of conversion of dead remains of plants into coal is called carbonization.
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The researchers studied emissions data from 480 coalfired plants in the US and almost two decades worth of Medicare data. they modeled where the wind carried sulfur dioxides emitted by these ...
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