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