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