coke is almost pure form of carbon true or false

Q 6. (T/F) (d) Coal tar is a mixture of various substances. (T/F) (c) Coke is almost pure form of carbon. Tick True/False against the following statements: (a) Fossil fuels can be made in the laboratory. (a) Fossil fuels can be made in the laboratory. False . New questions in Science Write True if the statement is correct and change the underlined word if the statement is false.1. (D) Coal tar is a mixture of various substances. (T/F) (e) Kerosene is not a fossil fuel. (T/F) (e) Kerosene is not a fossil fuel. Answer: (B) Coke. Coal tar is a mixture of various substances. (a) False (b) False (c) True (d) True (E) False. Identify the substance which is tough, porous and black. (T/F) (b) CNG is more polluting fuel than petrol. False (b) CNG is more polluting fuel as compared to petrol. 5. (False) (c) Coke is almost pure form of carbon. (d) Coaltar is a mixture of various substances. (B) CNG is more polluting fuel than petrol. (T/F) (b) CNG is more polluting fuel than petrol. False (c) Coke is an almost pure form of carbon. Solution: Coke is a tough, porous and black substance. (False) Q.6 Explain why fossil fuels are exhaustible natural resources. Tick True/False against the following statements: (a) Fossil fuels can be made in the laboratory. Tick True/False against the following statements: (a) Fossil fuels can be made in the laboratory. (T/F) Answer. (e) Kerosene is not a fossil fuel. False vi. Coke is almost pure form of carbon. Tick True/False against the following statements. False iii. A. C. Coal tar. (b) CNG is more polluting fuel than petrol. Question 6 Coke is almost pure form of carbon. (T/F) Soln: a) False b) False c) True d) True e) False … Crude oil. Fossil fuels are formed over a period of millions of years, resulting due to the action of high temperature and … It is almost a pure form of carbon. SOLUTION: (A) False (B) False (C) True (D) True (E) False. (a) False (b) False (c) True (d) True … 5. Sol. (C) Coke is almost pure form of carbon. (T/F) (d) Coal tar is a mixture of various substances. (d) Coal tar is a mixture of various substances. True (d) Coaltar is a mixture of various substances. (True) (d) Coal tar is a mixture of various substances. B. Coke. (A) Fossil fuels can be made in the laboratory. Ans. Answer 5. (c) Coke is almost pure form of carbon. (T/F) (c) Coke is almost pure form of carbon. True/False i. Fossil fuels can be made in the laboratory. (c) Coke is almost pure form of carbon. It is almost a pure form of carbon. False ii. (a) Fossil fuels can be made in the laboratory. (T/F) (d) Coal tar is a mixture of various substances. (b) CNG is more polluting fuel than petrol. Coke is almost pure form of carbon. (T/F) (e) Kerosene is not a fossil fuel. (a)False (b)False (c)True (d)True (e)False. (True) (e) Kerosene is not a fossil fuel. Question 10: Mark the following as True/False. Tick true/false against the following statements. True iv. True (e) Kerosene is not a fossil fuel. (E) Kerosene is not a fossil fuel. (e) Kerosene is not a fossil fuel. CNG is more polluting fuel than petrol. (a) Fossil fuels can be made in the laboratory. Coal gas was used for street lighting for the first time in London in 1810 and in … Coke is the fuel obtained from coal that is almost pure form of carbon. (T/F) (b) CNG is more polluting fuel than petrol. Presence of carbon in the steel makes it harder and more durable than pure iron. True/False. Dear Student The given statement is True Thanks (T/F) (c) Coke is almost pure form of carbon. D. Coal gas. Question 11: … True v. Kerosene is not a fossil fuel.

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