9 Questions
What is the process of conversion of dead vegetation into coal called?
Carbonization
What gas is mainly produced when coal burns in air?
Carbon dioxide
What are the fossil fuels formed from the dead remains of living organisms known as?
Fossil fuels
What useful products are obtained by processing coal in the industry?
Coke, coal tar, and coal gas
Which of the following is an example of an inexhaustible natural resource?
Sunlight
What is the classification of coal and petroleum as per the text?
Exhaustible natural resources
Can air, water, and soil be exhausted by human activities?
No, they are inexhaustible natural resources
Why are forests, wildlife, minerals, coal, and petroleum classified as exhaustible natural resources?
Because they are found in limited quantities in nature
What is the main characteristic that distinguishes inexhaustible natural resources from exhaustible natural resources?
Their abundance in nature
Study Notes
Coal Formation and Characteristics
- The process of conversion of dead vegetation into coal is called coalification.
Fossil Fuels
- Fossil fuels are formed from the dead remains of living organisms.
Coal Burning
- When coal burns in air, carbon dioxide is mainly produced.
Coal Processing
- Useful products such as coal tar, coal gas, and coke are obtained by processing coal in the industry.
Natural Resources
- Solar energy, wind energy, and hydro energy are examples of inexhaustible natural resources.
- Air, water, and soil can be exhausted by human activities.
Classification of Resources
- Coal and petroleum are classified as exhaustible natural resources.
- Forests, wildlife, minerals, coal, and petroleum are classified as exhaustible natural resources because they can be depleted by human activities.
Exhaustible vs. Inexhaustible Resources
- The main characteristic that distinguishes inexhaustible natural resources from exhaustible natural resources is the ability to replenish itself naturally.
This quiz focuses on the classification of materials used in daily life as natural or man-made. It also discusses the exhaustibility of natural resources like air, water, and soil due to human activities.
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