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Class 8 Practice – Level 1 – Coal and Petroleum
Total questions: 40
1.
What is coal primarily made of?
Water
Carbon
Hydrogen
Nitrogen
None
2.
Which of the following is a fossil fuel?
Wood
Coal
Solar energy
Wind energy
None
3.
What is petroleum commonly used for?
Building materials
Medicine
Fuels
All of the above
None
4.
Which process is used to extract crude oil from the earth?
Mining
Drilling
Fracking
Smelting
None
5.
What is natural gas primarily composed of?
Methane
Ethanol
Propane
Butane
None
6.
Which of the following is a non-renewable resource?
Wind energy
Solar energy
Coal
Biomass
None
7.
Which country is the largest producer of coal in the world?
USA
India
China
Australia
None
8.
What is the main environmental concern associated with coal burning?
Deforestation
Air pollution
Water contamination
Soil erosion
None
9.
Which of the following is NOT a product of petroleum refining?
Gasoline
Asphalt
Charcoal
Kerosene
None
10.
What is the process of converting crude oil into useful products called?
Fractional distillation
Combustion
Fermentation
Electrodeposition
None
11.
Which of the following is an alternative source of energy to coal?
Natural gas
Solar energy
Biomass
All of the above
None
12.
What is the main advantage of using natural gas over coal?
It is cheaper
It produces less carbon dioxide
It is easier to transport
It is more abundant
None
13.
What is coal gas?
A gas produced by burning coal
A byproduct of oil refining
A mixture of gases obtained from coal
None of the above
None
14.
Which of the following is a solid form of carbon?
Methane
Coal
Crude oil
Natural gas
None
15.
Which process involves the breakdown of organic matter under heat and pressure over millions of years to form coal?
Photosynthesis
Carbonization
Gasification
Combustion
None
16.
Which type of coal has the highest carbon content?
Lignite
Bituminous
Anthracite
Peat
None
17.
What is the primary use of coal in industries?
Cooking
Generating electricity
Making plastics
Producing fertilizers
None
18.
Which of the following is NOT a method of coal mining?
Open-pit mining
Underground mining
Solution mining
Strip mining
None
19.
What type of rock is coal classified as?
Igneous rock
Sedimentary rock
Metamorphic rock
None of the above
None
20.
Which gas is a major component of biogas?
Methane
Ethane
Propane
Butane
None
21.
What environmental issue is associated with oil spills?
Soil erosion
Water pollution
Air pollution
Deforestation
None
22.
What does the term "carbon footprint" refer to?
The amount of carbon in the air
The total greenhouse gas emissions caused directly or indirectly by an individual, organization, event, or product
The carbon content of coal
None of the above
None
23.
Which of the following is a disadvantage of using coal?
It causes air pollution
It is renewable
It is easy to extract
It is abundant
None
24.
What is the term for the liquid fossil fuel obtained from oil wells?
Bitumen
Crude oil
Natural gas
Coal tar
None
25.
What is the role of bacteria in the formation of biogas?
They consume oxygen
They produce carbon dioxide
They break down organic matter
They convert methane to carbon dioxide
None
26.
Which of the following is an example of a hydrocarbon?
Water
Salt
Methane
Oxygen
None
27.
What is the primary method used to transport crude oil over long distances?
Trucks
Trains
Pipelines
Ships
None
28.
Which type of coal is used in the production of coke for steel manufacturing?
Lignite
Anthracite
Bituminous
Peat
None
29.
What is one of the major benefits of using renewable energy sources compared to coal?
Reduced greenhouse gas emissions
Higher efficiency
More abundant
Lower cost
None
30.
What is the term for the solid residue left after coal combustion?
Ash
Slag
Cinders
Soot
None
31.
Which of the following is a method used to convert coal into gas?
Gasification
Carbonization
Pyrolysis
Condensation
None
32.
What is one of the main drawbacks of using petroleum?
It is renewable
It is clean burning
It can lead to oil spills
It is easy to find
None
33.
What is the function of refining in the petroleum industry?
To separate crude oil into useful products
To burn petroleum
To create coal
To generate electricity
None
34.
Which form of coal has the least carbon content?
Anthracite
Bituminous
Lignite
Peat
None
35.
What is the impact of acid rain caused by burning coal?
It increases soil fertility
It harms aquatic ecosystems
It reduces air quality
It promotes plant growth
None
36.
What type of energy is derived from burning fossil fuels?
Chemical energy
Solar energy
Wind energy
Geothermal energy
None
37.
Which of the following is a consequence of using fossil fuels?
Increased biodiversity
Climate change
Enhanced air quality
Sustainable development
None
38.
What is the primary use of coal tar?
Fuel
Pesticide
Waterproofing agent
Fertilizer
None
39.
Which of the following practices can help reduce reliance on coal?
Increasing coal mining
Using renewable energy sources
Burning more fossil fuels
Decreasing energy efficiency
None
40.
What is one method to reduce air pollution caused by burning coal?
Increasing coal production
Installing scrubbers in power plants
Using lower grades of coal
Ignoring emissions standards
None
1 out of 40
Time's up
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