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