Question 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 the various constituents of petroleum ...
WhatsApp: +86 18838072829(a) The slow process of conversion of dead vegetation into coal is called carbonisation. (b) Coal and petroleum are formed from the dead remains of organisms and are known as fossil fuels. (c) The black thick liquid with an unpleasant smell is known as coal tar. (d) During the processing of coal to get a coke, coal tar and coal gas are also ...
WhatsApp: +86 18838072829As more soil deposited over them, they were compressed. The temperature also rose as they sank deeper and deeper. Under high pressure and high temperature, dead plants got slowly converted to coal. As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Question 4: Fill in the blanks.
WhatsApp: +86 18838072829Now, let's focus on the dead vegetation part. When plants die, their remains can accumulate in swamps and bogs, where they are buried under sediment and water. Over time, the pressure and heat from the layers of sediment and water cause the dead vegetation to undergo a slow process of chemical and physical changes, eventually transforming into ...
WhatsApp: +86 18838072829Name the products obtained and their uses when coal is processed in industry. Coke is almost pure form of carbon. (T / F) Watch Formation of Coal in English from Energy Sources and Study of Coal and Mineral Resources Coal here. Watch all CBSE Class 5 to 12 Video Lectures here.
WhatsApp: +86 18838072829Solution. Verified by Toppr. Dead 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 18838072829(a) The slow process of conversion of dead vegetation into coal is called carbonisation. (b) Coal and petroleum are formed from the dead remains of organisms and are known as fossil fuels. (c) The black thick liquid with unpleasant smell is known as coal tar. (d) During the processing of coal to get coke, coal tar and coal gas are also obtained. (e) The process of separating the various ...
WhatsApp: +86 18838072829Bitumen, a petroleum product, is now used in place of coal tar for surfacing roads. Carbonisation is the slow process of conversion of dead vegetation into coal. It takes millions of years for the formation of fossil fuels like coal, petroleum etc. Once exhausted it will again take long time for its formation.
WhatsApp: +86 18838072829Detailed Solution. Download Solution PDF. The slow process of conversion of dead vegetation into coal is called carbonisation. As coal mainly contains carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Download Solution PDF.
WhatsApp: +86 18838072829Plants contain mainly carbon, which gets converted into coal. Hence, the slow process of conversion of dead vegetation into coal is called carbonisation. 3. Identify the gas that is generally produced when coal is burnt in the presence of a lot of air. A. Carbon monoxide. B. Sulphur dioxide. C. Nitrogen dioxide. D. Carbon dioxide. Answer: (D ...
WhatsApp: +86 18838072829The slow process of conversion of dead vegetation into coal is called carbonisation. Question 9. What name is given to the process of heating a substance in absence of air ? Answer: Destructive Distillation. Question 10. How is coke obtained ? Answer: Coke is obtained by heating coal in the absence of air. Question 11. How is coal tar formed ...
WhatsApp: +86 18838072829The slow process of conversion of dead vegetation into coal is called _____. A. carbonisation. B. ... And Petroleum Question 14 Plants contain mainly carbon, which gets converted into coal. Hence, the slow process of conversion of dead vegetation into coal is called carbonisation. View Solution. Olympiad Test: Coal And Petroleum Question 15 ...
WhatsApp: +86 18838072829Assertion (A): The slow process of conversion of dead vegetation into coal is called catenation. Reason (R): When heated in air, coal burns and produces mainly carbon dioxide gas. ... Reason (R): They cannot be prepared in laboratory as their formation is a very slow process and conditions for their formation cannot be created in the laboratory. A)
WhatsApp: +86 188380728291. Fuels obtained from dead remains of living organisms. (6, 5) 2. A process by which the various constituents of petroleum are separated. (8) 3. A porous black substance obtained from coal. (4) 4. Another name for motor fuel. (6) Down. 5. The substance obtained by carbonisation. (4) 6. Fuel for heavy motor vehicles. (6) 7. A petroleum product ...
WhatsApp: +86 18838072829The process of coal formation is very slow and might take millions of years. The process of conversion of dead remains of plants into coal is called carbonization. Part 2: Uses of Coal : Coal is a typical conventional solid fuel that has been exploited as an important source of fuel by humankind for thousands of years.
WhatsApp: +86 18838072829(a) Coal is obtained from mines. (b) Petroleum is a fossil fuel. (c) Refinery is a place where various fractions of petroleum are separated. (d) Kerosene is a fuel used in jet crafts. (e) Sunlight is an example of inexhaustible natural resources. Q6: Fill in the blanks. (a) The slow process of conversion of dead vegetation into coal is called
WhatsApp: +86 18838072829Question 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 the various constituents of petroleum ...
WhatsApp: +86 18838072829Solution. Verified by Toppr. Dead 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. Video Explanation.
WhatsApp: +86 18838072829The temperature also increased as they sank deeper and deeper. Under high pressure and high temperature, dead plants got slowly converted to coal. 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.
WhatsApp: +86 18838072829Their formation is a very slow process and conditions for their formation cannot be created in the laboratory. ... As coal contains mainly carbon, the slow process of conversion of dead vegetation into coal is called carbonisation. Question 8: Distinguish between inexhaustible and exhaustible natural resources. Answer: Inexhaustible Natural ...
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