This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 5 Coal And Petroleum – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 5 Coal And Petroleum Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Different varieties of coal differ in their A) Moisture. B) Volatile nature. C) Carbon content. D) Number of hydrogen atoms. Show Answer Correct Answer: C) Carbon content. 2. Which of the following is NOT the use of the natural gas? A) It is used as a fuel in homes for cooking and heating purposes. B) It is used to manufacture steel, glass and plastics. C) It is used in making clothes. D) It is used in factories and power plant to generate electricity. Show Answer Correct Answer: C) It is used in making clothes. 3. CNG is more polluting than petrol A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. Which of the following is the purest form of carbon? A) Coal gas. B) Coal tar. C) Coke. D) None of the above. Show Answer Correct Answer: C) Coke. 5. How is coke superior than coal as a fuel? A) Coal is mineral and burns releasing smoke while coke is a residue. B) Coal is an impure form of carbon, while coke is a pure form of carbon. C) Only coal consists of atoms of carbon, hydrogen, oxygen and sulphur while coke mainly consists of carbon. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. Which of the following is a major component of natural gas? A) Ethanol. B) Methane. C) Propane. D) Butane. Show Answer Correct Answer: B) Methane. 7. Black, thick liquid with an unpleasant smell is called A) Coke. B) Coal gas. C) Coal tar. D) Petroleum. Show Answer Correct Answer: C) Coal tar. 8. Identify the fuel that leaves more smoke and ash on burning. A) Solid fuel. B) Liquid fuels. C) Gaseous fuels. D) Any one of the above. Show Answer Correct Answer: A) Solid fuel. 9. Calorific value is used A) For checking amount of fuel. B) For calculating volume of fuel. C) To check fuel efficiency. D) To transport fuel from one place to other. Show Answer Correct Answer: C) To check fuel efficiency. 10. Natural gas is inexhaustible natural resource A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. Which of the following is not wrong? A) Carbon content of lignite is 25-35%. B) Fossil fuels are inexhaustible natural resources. C) Peat is the hardest grade coal. D) Biogas is a very costly and inconvenient fuel for rural areas. Show Answer Correct Answer: A) Carbon content of lignite is 25-35%. 12. In complete combustion, the products are? A) Carbon monoxide and water. B) Carbon dioxide and water. C) Carbon dioxide and carbon. D) Carbon and water. Show Answer Correct Answer: B) Carbon dioxide and water. 13. REAL LIFE:AARON SAYS TO HIS FATHER TO BUY POLLUTION FREE CRACKERS FOR DIWALI & CHRISTMAS.WHY WE NEED TO BUY SUCH A KIND OF CRACKERS. A) PREVENT AIR FROM POLLUTION. B) TO AVOID FOG. C) NONE OF THE ABOVE. D) None of the above. Show Answer Correct Answer: A) PREVENT AIR FROM POLLUTION. 14. Read the following statements and choose the correct ones.a) coal and petroleum are fossil fuels.b) coke is used as reducing agent for extracting metals.c) fossil fuels are present in excess quantity. A) A and b. B) B and c. C) A and c. D) A, b and c. Show Answer Correct Answer: A) A and b. 15. What is the general formula of the alkenes? A) CnH2n+1. B) C$_{n}$H$_{2n+2}$. C) C$_{n}$H$_{2n}$. D) CnH2n+1OH. Show Answer Correct Answer: C) C$_{n}$H$_{2n}$. 16. Which of the following minerals is present in coal? A) Oxygen. B) Hydrogen. C) Sulphur. D) All of these. Show Answer Correct Answer: D) All of these. 17. Friction caused due to A) Irregularities between the surfaces. B) Magnetic force between surfaces. C) Non contact forces between surfaces. D) None of these. Show Answer Correct Answer: A) Irregularities between the surfaces. 18. Inexhaustible natural resources in nature are A) Limited. B) Unlimited. C) Scarce. D) Not present. Show Answer Correct Answer: B) Unlimited. 19. Name the elements present in coal. A) Carbon, oxygen and sulphur. B) Carbon, Hydrogen, Nitrogen. C) All the above. D) None of the above. Show Answer Correct Answer: A) Carbon, oxygen and sulphur. 20. Natural gas can be transported through A) Cylinders. B) Barriers. C) Pipes. D) None of these. Show Answer Correct Answer: C) Pipes. 21. Which fuel is obtained from coal that is almost pure form of carbon is ..... A) Coke. B) Coal tar. C) Coal gas. D) Ammonium compounds. Show Answer Correct Answer: A) Coke. 22. Which of the following is a major by-product of burning coal? A) Carbon dioxide. B) Oxygen. C) Nitrogen. D) Water vapor. Show Answer Correct Answer: A) Carbon dioxide. 23. Choose the correct statement from the following- A) It is difficult to transport natural gas through pipes. B) The disadvantage of natural gas is that it can not be used directly for burning in homes. C) Natural gas cannot be used for power generation. D) Natural gas is stored under high pressure as compressed natural gas. Show Answer Correct Answer: D) Natural gas is stored under high pressure as compressed natural gas. 24. Which one of the following is an inexhaustible natural resource? A) Coal. B) Petroleum. C) Water. D) Forests. Show Answer Correct Answer: C) Water. 25. CNG FULL FORM: A) CH$_{2}$. B) Clear natural gas. C) Compressed natural gas. D) H$_{2}$. Show Answer Correct Answer: C) Compressed natural gas. ← PreviousNext →Related QuizzesClass 8 Science Chapter 5 Coal And Petroleum Quiz 1Class 8 Science Chapter 5 Coal And Petroleum Quiz 2Class 8 Science Chapter 5 Coal And Petroleum Quiz 3Class 8 Science Chapter 5 Coal And Petroleum Quiz 4Class 8 Science Chapter 5 Coal And Petroleum Quiz 5Class 8 Science Chapter 5 Coal And Petroleum Quiz 6Class 8 Science Chapter 5 Coal And Petroleum Quiz 7Class 8 Science Chapter 5 Coal And Petroleum Quiz 9Class 8 Science Chapter 5 Coal And Petroleum Quiz 10Class 8 Science Chapter 5 Coal And Petroleum Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books