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