MCQ questions for class 8 Science Chapter 5 Coal and Petroleum
Question 1: What is the main constituent of natural gas?
Methane
Ethane
Propane
Butane
Question 2: Which of the following is a fossil fuel?
Hydrogen
Biogas
Petrol
Nuclear energy
Question 3: What is the process of decomposing organic materials in the absence of air to produce coal, petroleum, and natural gas?
Burning
Photosynthesis
Fermentation
Anaerobic decomposition
Question 4: Which of the following is a non-renewable source of energy?
Wind energy
Solar energy
Hydropower
Fossil fuels
Question 5: What is the term for the process of obtaining natural gas from coal beds?
Drilling
Hydraulic fracturing
Refining
Distillation
Question 6: Which of the following is an example of a solid fossil fuel?
Natural gas
Petroleum
Coal
Biogas
Question 7: What is the term for the decayed remains of plants and animals that lived millions of years ago?
Fossils
Residues
Biodegradable waste
Pollutants
Question 8: Which of the following fossil fuels is primarily composed of hydrocarbons?
Coal
Petroleum
Natural gas
Biogas
Question 9: What is the term for the process of separating different fractions of petroleum based on their boiling points?
Cracking
Distillation
Refining
Hydrogenation
Question 10: Which of the following is a component of natural gas?
Butane
Propane
Octane
Hexane
Question 11: What is the term for the dark, sticky substance obtained from crude oil and used to make road surfaces?
Petrol
Bitumen
Kerosene
Diesel
Question 12: Which of the following is a product obtained from the fractional distillation of crude oil?
Methane
Octane
Kerosene
Methanol
Question 13: What is the term for the process of breaking down large hydrocarbons into smaller, more useful hydrocarbons?
Cracking
Distillation
Refining
Hydrogenation
Question 14: What is the term for the fraction of petroleum used as a fuel for cars?
Petrol
Diesel
Kerosene
LPG
Question 15: Which of the following is used as a domestic fuel?
Petrol
Diesel
Kerosene
LPG
Question 16: What is the term for the process of obtaining petrol from crude oil?
Cracking
Distillation
Refining
Hydrogenation
Question 17: Which of the following is a product obtained from the fractional distillation of crude oil?
Methane
Octane
Kerosene
Methanol
Question 18: What is the term for the gaseous fuel obtained from the fractional distillation of petroleum?
Natural gas
LPG
CNG
Biogas
Question 19: Which of the following is a disadvantage of using fossil fuels?
Renewable source
Air pollution
Sustainable energy
Biomass energy
Question 20: What is the term for the solid residue left behind after the combustion of coal?
Ash
Slag
Fly ash
Soot
Welcome to our platform, your one-stop for MCQ questions for Class 8 Science. This page is designed to assist you in reinforcing key scientific concepts and getting ready for your exams with our mcq questions for class 8 science with answers.
Whether you're revisiting old topics or exploring new ones, our Science MCQs for Class 8 cover all areas of your syllabus. Practice these multiple-choice questions to test your knowledge and understanding of the subject, boosting your confidence in the process.
Remember, you can always find us Class 8 Science multiple choice questions, Online MCQ practice for Class 8 Science, or mcq questions for class 8 science pdf. Start your journey towards becoming a Class 8 Science today