WEBSolution. Each point: 1 Mark. After pollination, male gamete present in the pollen grains moves into the ovules and fuses with the gamete. The single cell resulting from this fusion is called a zygote. This process is called fertilization. Suggest Corrections.
WhatsApp: +86 18203695377
WEBThe slow process by which the dead plants buried under the Earth have become coal is called coal was formed from the remains of the plants, it is called a fossil, which is mainly carbon, on heating produces mainly carbon dioxide gas and a lotof heat energy. Was this answer helpful? The slow process of conversion of ...
WhatsApp: +86 18203695377
WEBCrude oil, coal and gas are fossil fuels close fossil fuel Natural, finite fuel formed from the remains of living organisms, eg oil, coal and natural gas..They were formed over millions of years ...
WhatsApp: +86 18203695377
WEBMay 26, 2023 · The Different Types of Coal There are several different types of coal. They are ranked according to their carbon and volatile matter content. Anthracite is 86 to 98% pure carbon and 8 to 3% volatile matter. It is an excellent fuel that is still used to heat homes. Bituminous coal contains 70 to 86% carbon and 46 to 31% volatile matter.
WhatsApp: +86 18203695377
WEBJul 21, 2023 · About 300 million years ago, earth was having dense forests in low lying wet land areas. Due to earthquakes and volcanic erruptions, these forests got buried under the soil. As more soil deposited over them, they were compressed. The temperature also raised as they sank deeper and deeper. Due to high temperature and lack of oxygen dead .
WhatsApp: +86 18203695377
WEBJul 21, 2023 · About 300 million years ago, the Earth had dense forest in low lying wetlandd areas. Due to various natural processes, like flooding and earthquakes, these forests got buried under the soil. The soil deposits layer by layer over them and they were compressed under high temperature and pressure in the plants got converted to coal slowly. This .
WhatsApp: +86 18203695377
WEBMay 7, 2024 · Acid rain results when sulfur dioxide (SO 2) and nitrogen oxides (NO X) are emitted into the atmosphere and transported by wind and air SO 2 and NO X react with water, oxygen and other chemicals to form sulfuric and nitric acids. These then mix with water and other materials before falling to the ground. While a small portion of .
WhatsApp: +86 18203695377
WEBCoal is formed under high temperature and pressure when the dead remains of plants got buried under the earth millions of years ago. [1 mark] The process of conversion of dead remains of plants into coal is called coalifiion.
WhatsApp: +86 18203695377
WEBJun 25, 2018 · 3. Describe how coal is formed from dead vegetation. What is this process called? 4. Fill in the blanks. 5. Tick true/False against the following statements. 6. Explain why fossil fuels are exhaustible natural resources. 7. Describe characteristics and uses of coke. 8. Explain the process of formation of petroleum. 9.
WhatsApp: +86 18203695377
WEBCoal was formed by the decomposition of dead vegetation buried under the earth about 300 million years to natural process the dead vegetation got buried under the soil .They wear temperature alsa rose as they sank deeperand deeper .Under high pressure and high temperature dead vegetation slowly converted to .
WhatsApp: +86 18203695377
WEBDescribe how coal is formed from dead vegetation . What is this process called?
WhatsApp: +86 18203695377
WEBSolution. Coal is formed by the bacterial action on dead vegetation. Over time, under high pressure and high temperature, dead plants got slowly converted to coal. Since coal mainly contains carbon this process of conversion is called carbonisation. Suggest Corrections.
WhatsApp: +86 18203695377
WEB(b) Why are coal and petroleum called fossil fuels? (c) Explain how coal was formed in the earth. (d) Describe how petroleum was formed in the earth. (e) Name a fossil fuel other than coal and petroleum.
WhatsApp: +86 18203695377
WEBQuestion 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 .
WhatsApp: +86 18203695377
WEBDead 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.
WhatsApp: +86 18203695377
WEBAug 15, 2023 · Coal is a nonclastic sedimentary rock that forms from the fossilized remains of plants. It is mainly composed of carbon and has various properties, such as flammability, hardness, and calorific value. Learn more about how coal is formed, where it is found, and how it is used in different industries and appliions.
WhatsApp: +86 18203695377
WEBJan 5, 2022 · What is this process called? ratanlalkhatikmohi ratanlalkhatikmohi Chemistry Secondary School answered Describe how coal is formed from dead vegetation. What is this process called? See answers Advertisement Advertisement Yeshi65 Yeshi65 the coal is formed when a tree or an animal carcass is compressed .
WhatsApp: +86 18203695377
WEBJun 21, 2021 · Coke is a type of coal. It is a tough, porous and black substance. It is almost pure form of carbon. Coke is much cleaner than coal and provides more energy on burning. It is used in the manufacture of steel and in the extraction of many minerals. Question 8. Explain the process of formation of petroleum.
WhatsApp: +86 18203695377
WEBThe slow process by which the dead plants buried under the Earth have become coal is called carbonization. Since coal was formed from the remains of the plants, it is called a fossil fuel. Coal, which is mainly carbon, on heating produces mainly carbon dioxide gas and a lot of heat energy.
WhatsApp: +86 18203695377
WEBJul 28, 2018 · The slow process by which the dead plants buried under the Earth have become coal is called as carbonisation. Since coal was formed from the remains of the plants, it is called a fossil fuel. Coal, which is mainly carbon, on heating produces mainly carbon dioxide gas and a lot. of heat energy.
WhatsApp: +86 18203695377
WEBDescribe how coal was formed. What is this process called? ... Describe how fossil fuels were formed. (a) Fossil fuels are buried flammable geologic deposits of organic substances, such as dead plants and animals, that got deposited under several thousand feet of silt. These deposits decayed with the passage of time and got converted to .
WhatsApp: +86 18203695377
WEBJun 10, 2019 · For example, coal, petroleum and natural gas are fossil fuels. Coal was formed by the process of carbonisation. Carbonisation is the process by which plant material or vegetation buried deep under the earth was slowly converted into coal. Question 25. Describe how coal was formed. What is this process called? Answer:
WhatsApp: +86 18203695377
WEBJan 21, 2023 · Solution For Q. 3 Describe how coal is formed from dead vegetation. What is this process called? Ans. Coal was formed from the remains of vegetation (remains of plants) which were buried million yea
WhatsApp: +86 18203695377
WEBThe stages of this trend proceed from plant debris through peat, lignite, subbituminous coal, bituminous coal, anthracite coal, to graphite (a pure carbon mineral). Because of the amount of squeezing and water loss that accompanies the compaction of peat after burial, it is estimated that it took 10 vertical feet of original peat material to ...
WhatsApp: +86 18203695377
WEBSolution. Coal is formed by the bacterial action on dead vegetation. Over time, under high pressure and high temperature, dead plants got slowly converted to coal. Since coal mainly contains carbon this process of conversion is called .
WhatsApp: +86 18203695377
WEBOct 19, 2023 · With more heat, time, and pressure, the kerogen underwent a process called agenesis, and transformed into hydrocarbons. Hydrocarbons are simply chemicals made up of hydrogen and carbon. Different combinations of heat and pressure can create different forms of hydrocarbons. Some other examples are coal, peat, and .
WhatsApp: +86 18203695377
A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
Copyright © 2023 GMC Co., Ltd. SiteMap
