This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Coal And Petroleum > Class 8 Science Chapter 5 Coal And Petroleum – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 5 Coal And Petroleum Quiz 5 (35 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the most common sources of energy used in automobiles? A) Wood and coal. B) Petroleum and diesel. C) LPG and cow dung. D) Natural gas and coal. Show Answer Correct Answer: B) Petroleum and diesel. 2. Muscular force is an example of A) Magnetic force. B) Non contact force. C) Contact force. D) None of these. Show Answer Correct Answer: C) Contact force. 3. What do fuels combine with to produce heat and light? A) Oxygen. B) Carbon dioxide. C) Hydrogen. D) Carbon monoxide. Show Answer Correct Answer: A) Oxygen. 4. Which of the following is also known as the 'black gold'? A) CNG. B) Petroleum. C) Natural gas. D) Coal. Show Answer Correct Answer: B) Petroleum. 5. What is the method carried out during the process of refining to obtain various constituents of petroleum? A) Fractional distillation. B) Combustion. C) Filtration. D) Cracking. Show Answer Correct Answer: A) Fractional distillation. 6. When heated in air, coal burns and produces mainly ..... A) Carbon Monoxide. B) Methane. C) Oxygen. D) Carbon Dioxide. Show Answer Correct Answer: D) Carbon Dioxide. 7. In destructive distillation, coal is heated strongly to about A) 1, 000*C. B) 10, 000*C. C) 100*C. D) 5, 000*C. Show Answer Correct Answer: A) 1, 000*C. 8. In fractional distillation, hydrocarbons with the ..... (highest/lowest) boiling points condense first. A) Highest. B) Lowest. C) All the above. D) None of the above. Show Answer Correct Answer: B) Lowest. 9. Natural gas and petroleum were both formed ..... A) In swamp lands. B) Under ancient seas. C) On the surface of the oceans. D) Underground. Show Answer Correct Answer: B) Under ancient seas. 10. The formation of coal from dead vegetation is known as A) Resources. B) Carbonization. C) Coke. D) Refining. Show Answer Correct Answer: B) Carbonization. 11. What is known as black gold? A) Diamond. B) Petroleum. C) Silver. D) Coal. Show Answer Correct Answer: B) Petroleum. 12. If the rate of consumption of natural resources remains constant at 5 units per month, and the total available resources are 100 units, how long before the resources become depleted? A) 30 months. B) 35 months. C) 25 months. D) 20 months. Show Answer Correct Answer: D) 20 months. 13. Which is not an environmental impact of using fossil fuels. A) Global Warming. B) Acid Rain. C) Rapid Population Growth. D) Oil game. Show Answer Correct Answer: C) Rapid Population Growth. 14. ..... is used in skin ointments. A) Diesel. B) Paraffin wax. C) Lubricating oil. D) Kerosene. Show Answer Correct Answer: B) Paraffin wax. 15. How much percentage of carbon is present in bituminous?(a) 20-25%(b) 25-35%(c) 65-85%(d) 98% A) D. B) A. C) B. D) C. Show Answer Correct Answer: D) C. 16. Which of the following is a major environmental concern associated with the use of coal? A) Nuclear radiation. B) Soil erosion. C) Oil spills. D) Air pollution. Show Answer Correct Answer: D) Air pollution. 17. What is the IUPAC name of "olefins" ? A) Alkyls. B) Alkynes. C) Alkenes. D) Alkanes. Show Answer Correct Answer: C) Alkenes. 18. A natural gas stored under high pressure is called A) CNG. B) KLG. C) LPG. D) PNP. Show Answer Correct Answer: A) CNG. 19. Which one of the following is a petrochemical? A) Ammonia. B) Acetone. C) Paraffin wax. D) Coke. Show Answer Correct Answer: C) Paraffin wax. 20. Three zones of flame A) Red, white, black. B) Red, blue, black. C) Red, blue, white. D) There are no zones in flame. Show Answer Correct Answer: B) Red, blue, black. 21. The percent of carbon present in bituminous and anthracite are A) 65, 35. B) 96, 35. C) 65, 96. D) 96, 65. Show Answer Correct Answer: C) 65, 96. 22. A batsman hits a cricket ball which then rolls on the level ground. After covering a short distancethe ball comes to rest. The ball stops due to ..... A) Magnetic force and electrostatic force. B) Friction and muscular force. C) Gravity and friction. D) No force is applied to stop it. Show Answer Correct Answer: C) Gravity and friction. 23. Which of these following country uses term petrol? A) AUSTRALIA, UK, INDIA. B) INDIA, CANADA, US. C) INDIA, AMERICA, AUSTRALIA. D) UK, INDIA, REPUBLIC OF IRELAND. Show Answer Correct Answer: D) UK, INDIA, REPUBLIC OF IRELAND. 24. Main constituent of LPG is(a) methane(b) butane(c) ethane(d) propane A) B. B) A. C) D. D) C. Show Answer Correct Answer: A) B. 25. Which of the following is NOT TRUE of fossil fuels? A) They are inexpensive. B) They produce harmful pollution. C) They are non-renewable. D) They can easily be replaced as they are used. Show Answer Correct Answer: D) They can easily be replaced as they are used. 26. The layer containing petroleum oil and gas is A) Above that of water. B) Below water. C) Between water and sand. D) Below sand. Show Answer Correct Answer: A) Above that of water. 27. Petroleum is formed from the remains of which type of organisms? A) Plants. B) Fungi. C) Birds. D) Marine organisms. Show Answer Correct Answer: D) Marine organisms. 28. Different components of petroleum have ..... points. A) Different boiling. B) None of these. C) Same boiling. D) Both of these. Show Answer Correct Answer: A) Different boiling. 29. Which of the following products is not obtained from fossil fuels? A) Wood. B) Coal. C) Coal gas. D) Coal tar. Show Answer Correct Answer: A) Wood. 30. Processes by which coal is formed- A) Evaporation. B) Carbonization. C) Distillation. D) Vapourisation. Show Answer Correct Answer: B) Carbonization. 31. How many products are classified as petrochemicals which range from simple wax to the aviation fuels. A) 6900. B) 4000 / 4000 +. C) 1000. D) 400. E) 2000. Show Answer Correct Answer: B) 4000 / 4000 +. 32. Which of the following is not obtained from coal? A) Coal tar. B) CNG. C) Coke. D) Coal gas. Show Answer Correct Answer: B) CNG. 33. Coal tar is a mixture of how many other substances? A) 400. B) 300. C) 200. D) 100. Show Answer Correct Answer: C) 200. 34. Which of the following are not obtained on fractional distillation of petroleum? A) Kerosene. B) Bitumen. C) Paraffin wax. D) Coal gas. Show Answer Correct Answer: D) Coal gas. 35. Which is the cleanest fuel A) Petrol. B) Coal. C) CNG. D) LPG. 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