Carbonization is process of conversion of dead vegetation into coal. Describe how coal is formed from dead vegetation. (c) Least polluting fuel for vehicle is _____. Các ví dụ của dead vegetation trong câu, cách sử dụng. Question. Slow conversion of dead vegetation Into coal b. Deposition of soil c. falling of trees d. None of these Ans . they were compressed, As more soil deposited over them. Assertion: the slow process of conversion of dead vegetation into coal is called catenation. (a) The slow process of conversion of dead vegetation into coal is called_____. Coal tar c. Coal gas d. All of these Ans . Answers (1) M manish. When dead plants got buried into the bottom of the soil they slowly converted into coal due high pressure and high temperature. 14 các ví dụ: The plants covered about 33 per cent, of the ground, there were 18 to the… Coal was formed over a long period of time under high pressure and temperature conditions by the decomposition of dead vegetation. Question 4: Fill in the blanks: (a) Fossil fuels are _____, _____ and _____. (c) The black thick liquid with _____ smell is known as coal tar. (d) During the processing of coal to get coke, coal … | EduRev Class 8 Question is disucussed on EduRev Study Group by 160 Class 8 Students. Coke is used in the manufacturing of a. How is sound produced in our throat? Very short answer type questions: (1x7=7) 1. What is this process called? A. decomposition. (a) The slow process of conversion of dead vegetation into coal is called carbonisation. The estimated quantity depends on how thick a pile of vegetation, called peat, needs to be compressed and converted into coal. Expert Answer: Formation of Coal: Coal was formed by the decomposition of large land plants and trees buried under the Earth about 300 million years ago. 14. (a) The slow process of conversion of dead vegetation into coal is called_____. This process of formation of coal from dead vegetation is called carbonization. As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Vegetation is an important part of the environment but may be subjected to disturbance in areas close to coal mines. Lead b. Solution: Millions of years ago, dense forests got buried under the soil due to natural processes like storms, floods, and earthquakes. Add your answer and earn points. Coal Mine . The first step of coal formation was created by [...] the accumulation of dead vegetation at the bottom of [...] the swamps, giving a spongy brown material, called peat. 15. (b) Coal and petroleum are formed from the dead remains of organisms and are known as _____. SECTION B III. Coal is used in thermal power plants to produce electricity. Temperature rose as they sank deeper and under high pressure dead plants converted slowly to coal. C. carbonification. (c) The black thick liquid with unpleasant smell is known as coal tar. 3. Coal was formed by decomposition of dead plants and trees (dead vegetation) into carbon. | EduRev Class 8 Question is disucussed on EduRev Study Group by 184 Class 8 Students. Answer: (D) carbonisation. (c) The black thick liquid with _____ smell is known as coal tar. 5.2. As coal contains mainly carbon, the conversion of dead vegetation into coal is called carbonization. Ans: 300 million years ago, earth had dense forests in low lying wetlands. Since it was formed from the remains of vegetation, coal is also called a fossil fuel. Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Question 8. This results in a slowing of the rate of biomass growth, which is caused by fading of vegetation. describe how coal is formed in dead vegetation what is the process called. • When heated in air, coal burn and produces mainly carbon dioxide gas. D. carbonisation. (d) During the processing of coal to get coke, coal … CBSE Class 8 Science Chapter 5 Coal and Petroleum Objective Questions . (d) During the processing of coal to get coke, coal tar and coal gas are also obtained. We get coal deep inside the Earth's crust in coal mines. About 300 million years ago the earth had dense forests in low lying wetland areas. As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is Explain why fossil fuels are exhaustible natural resources. Carbon dioxide c. Nitrogen dioxide d. Oxygen Ans . Where are chromosomes found in the cell? Answer:Coal was formed by the decomposition of large land plants and trees buried under the Earth about 300 million years ago.About 300 million years ago, the E… arnav188 arnav188 7 minutes ago Science Primary School Describe how coal is formed from dead vegetation. About 300 million years ago, the Earth had dense forests in the low lying wet areas. Answer. State their functions. Simultaneously, carbon stored in vegetation is constantly released, weakening vegetation ability to act as a carbon sink. What is this process called. A COAL MINE 7. Classify the following as exhaustible and inexhaustible natural resources- air, sunlight, water, forests, wildlife, coal. When heated in air produces a. Describe how coal is formed from dead vegetation. Check the below NCERT MCQ Questions for Class 8 Science Chapter 5 Coal and Petroleum with Answers Pdf free download. (a) vegetation only (b) animals only (c) both vegetation and animals (d) neither vegetation nor animals Answer. bti-europe.eu. What is this process called? Describe how coal is formed from dead vegetation. (b) Coal and petroleum are formed from the dead remains of organisms and are known as _____. Define carbonisation. (c) The black thick liquid with _____ smell is known as coal tar. (a) 15. Post Answer. These new ideas can explain the growth of the vegetation now in the coal beds. B. evolution. 5.2: A coal mine Coal Gas Coal gas is obtained during the processing of coal to get coke. The process of transforming of dead vegetation by various natural, chemical as well as physical reactions into the black substance coal is known as Carbonisation. The slow process of conversion of dead vegetation into coal is called _____. What is this process called? (d) During the processing of coal to get coke, coal … What is this process called? (b) Coal and petroleum are formed from the dead remains of organisms and are known as fossil fuels. Fossil fuels are formed over a period of millions of years, by the action of high temperature and high pressure on the remains of dead plants and animals. Under high pressure and … (d) 17. Due to natural calamities, like flooding, these forests got buried under the soil. Dec 18,2020 - Describe how coal is formed from dead vegetation what is this process called? Answer: (c) 7. The exception is the coal gap in the Permian–Triassic extinction event, where coal is rare. Coal is the largest source of energy for the generation of electricity contains mainly carbon, the conversion of dead vegetation into coal is called carbonization. (b) Coal and petroleum are formed from the dead remains of organisms and are known as _____. 8 Which substance is formed by the carbonisation of dead vegetation? Answer: Exhaustible resources – forests, wildlife, coal Inexhaustible resources – air, sunlight, water. When they got buried deep in the soil, they were exposed to very high pressure and temperature. This process of conversion of dead vegetation to coal is known as • Since it was formed from the remains of vegetation, coal is also called a fossil fuel. Answer: (a) carbonisation. (b) Process of separation of different constituents from petroleum is called _____. Describe how coal is formed from dead vegetation. Answer: (a) 6. The slow process of conversion of dead vegetation into coal is called a) Carbonisation b) fuelification c) Coalification d) None of the above. As coal contains mainly carbon, the conversion of dead vegetation into coal is called carbonization. Sep 23,2020 - How coal form with dead vegetation? Describe how coal is formed from dead vegetation. Answer: Coal is a fossil fuel derived from organic matter. Answer. COAL AND PETROLEUM 57 58 SCIENCE Fig. With flooding these forests were buried under soil. Reason: When heated in air, coal burns and produces mainly carbondioxde gas. Under these conditions, these slowly got converted into coal. Asked by ashokbabuyadla | 28th Jul, 2018, 05:45: PM. Conversion of dead vegetation into coal is called (a) carbonisation (b) distillation (c) coal gas (d) natural gas. Answer. process of conversion of dead vegetation into coal is called carbonisation. As more soil deposited over them, they were compressed. Answer. Under high pressure and high temperature, the dead plants those got buried inside the Earth, got slowly converted into coal. Coal 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. Coal contains mainly carbon. As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Question 6. In India petroleum deposit was first found in the state of a) Gujarat b) Maharastra c) Assam d) West Bengal. (b) 16. 2. The temperature also rose as they sank deeper and deeper. (a) The slow process of conversion of dead vegetation into coal is called_____. Coal is produced in industry to get a. Coke b. The slow process of conversion of dead vegetation into coal is known as carbonization. It is usually claimed that it takes a peat layer 8–10 feet thick to produce each foot of coal.3 4. Solution: Plants contain mainly carbon, which gets converted into coal. A coal mine is shown in Fig. COAL • As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonization. 2 See answers arnav188 is waiting for your help. (a) Coal is formed by the decomposition of large land plants and trees buried under the earth about 300 million years ago. These got compressed as more and more soil got deposited over them. What is this process called? Carbon monoxide b. The wide, shallow seas of the Carboniferous Period provided ideal conditions for coal formation, although coal is known from most geological periods. bti-europe.eu. 8. 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