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