The chapter 1 of Class 8 Science, Coal and Petroleum is all about natural resources and their importance. It explains fossil fuels like coal, petroleum, and natural gas. These fossil fuels are essential for energy and industrial use. The chapter also discusses their formation, uses, and limitations. Students will learn about terms like carbonisation, refining, and products like coke, coal tar, and LPG. This chapter helps students understand the need to conserve these exhaustible resources.
This set of MCQs and match-the-following questions will make revision easy. The questions mentioned below cover all important topics from the chapter. This includes the uses of petroleum products and the environmental impact of fossil fuels. Lets now start solving these questions and make your preparation smooth.
Class 8 Science Chapter 3 MCQ Online Test Questions and Answers
Question 1. Coal is primarily composed of:
a) Hydrogen
b) Oxygen
c) Nitrogen
d) Carbon
Answer:
d) Carbon
Question 2. Coal gas is obtained during the production of:
a) Coke
b) Petroleum
c) Diesel
d) Paraffin wax
Answer:
a) Coke
Question 3. Petroleum is formed from:
a) Dead plants
b) Living trees
c) Marine organisms
d) Rocks
Answer:
c) Marine organisms
Question 4. Which product is obtained by the distillation of petroleum?
a) Coal tar
b) Coke
c) Diesel
d) Coal gas
Answer:
c) Diesel
Question 5. The process of separating petroleum into different components is called:
a) Carbonisation
b) Refining
c) Distillation
d) Fractionation
Answer:
b) Refining
Question 6. The world’s first oil well was drilled in:
a) India
b) USA
c) Saudi Arabia
d) Canada
Answer:
b) USA
Question 7. Coal is called a fossil fuel because:
a) It is found near fossils
b) It is derived from fossilised plants
c) It burns like fossils
d) It is made in factories
Answer:
b) It is derived from fossilised plants
Question 8. Which is the purest form of carbon?
a) Coal
b) Coal tar
c) Coke
d) Diesel
Answer:
c) Coke
Question 9. Bitumen is used for:
a) Road surfacing
b) Making plastics
c) Cooking food
d) Making perfumes
Answer:
a) Road surfacing
Question 10. Which fuel is considered the least polluting?
a) Diesel
b) Petrol
c) Coal gas
d) CNG
Answer:
d) CNG
Question 11. Which fossil fuel is a black, thick liquid with an unpleasant smell?
a) Coal tar
b) Petroleum
c) Natural gas
d) Lubricating oil
Answer:
b) Petroleum
Question 12. Which is NOT a petroleum product?
a) Petrol
b) Diesel
c) Coke
d) Kerosene
Answer:
c) Coke
Question 13. Naphthalene balls are obtained from:
a) Diesel
b) Coal tar
c) Coke
d) Petroleum gas
Answer:
b) Coal tar
Question 14. LPG stands for:
a) Liquid Petroleum Gas
b) Liquefied Petroleum Gas
c) Low-Pressure Gas
d) Liquefied Power Gas
Answer:
b) Liquefied Petroleum Gas
Question 15. Which resource is inexhaustible?
a) Coal
b) Petroleum
c) Air
d) Natural gas
Answer:
c) Air
Question 16. Fossil fuels are called exhaustible resources because:
a) They can be replenished easily
b) They exist in unlimited quantities
c) They take millions of years to form
d) They are renewable
Answer:
c) They take millions of years to form
Question 17. Petroleum is also known as:
a) Liquid coal
b) Black gold
c) Fossil oil
d) Fuel oil
Answer:
b) Black gold
Question 18. Which petroleum product is used for making candles?
a) Lubricating oil
b) Bitumen
c) Paraffin wax
d) Petrol
Answer:
c) Paraffin wax
Question 19. The main constituent of natural gas is:
a) Ethane
b) Methane
c) Propane
d) Butane
Answer:
b) Methane
Question 20. In India, petroleum was first struck in:
a) Gujarat
b) Assam
c) Rajasthan
d) Maharashtra
Answer:
b) Assam
Question 21. Which is used to produce steel?
a) Coke
b) Coal tar
c) Diesel
d) Petroleum
Answer:
a) Coke
Question 22. Which fuel is stored under high pressure?
a) CNG
b) LPG
c) Diesel
d) Petrol
Answer:
b) LPG
Question 23. Fossil fuels were formed:
a) A few years ago
b) Millions of years ago
c) Recently
d) Thousands of years ago
Answer:
b) Millions of years ago
Question 24. The PCRA advises people to conserve:
a) Electricity
b) Petrol and diesel
c) Water
d) Air
Answer:
b) Petrol and diesel
Question 25. The layer above petroleum deposits usually contains:
a) Water
b) Gas
c) Sand
d) Clay
Answer:
b) Gas
Question 26. Petroleum refining is done in a:
a) Power plant
b) Laboratory
c) Refinery
d) Factory
Answer:
c) Refinery
Question 27. Which fuel is transported through pipelines?
a) Diesel
b) Petrol
c) Natural gas
d) Coal
Answer:
c) Natural gas
Question 28. Combustion of fossil fuels leads to:
a) Global cooling
b) Air pollution
c) Water conservation
d) Increased soil fertility
Answer:
b) Air pollution
Question 29. A major disadvantage of fossil fuels is:
a) Unlimited supply
b) Renewable nature
c) High pollution levels
d) No energy production
Answer:
c) High pollution levels
Question 30. Coal tar has:
a) A pleasant smell
b) A thick, black appearance
c) Only one substance
d) Pure carbon
Answer:
b) A thick, black appearance
Question 31 – Match the Following
| Column A | Column B |
|---|---|
| 1. Coal gas used for street lighting | A. Tough, porous, almost pure carbon |
| 2. Coke | B. Used for road surfacing |
| 3. Bitumen | C. First used in 1859 |
| 4. World’s first oil well drilled | D. First used in 1810 |
| 5. Petroleum refining | E. Separates fractions of petroleum |
Answer:
| Column A | Correct Answer |
|---|---|
| 1. Coal gas used for street lighting | D. First used in 1810 |
| 2. Coke | A. Tough, porous, almost pure carbon |
| 3. Bitumen | B. Used for road surfacing |
| 4. World’s first oil well drilled | C. First used in 1859 |
| 5. Petroleum refining | E. Separates fractions of petroleum |
