Worksheet – Coal and Petroleum

Class: 8 | Chapter: 5

Instructions: Answer all questions. Practice neatly.

A. Very Short Answer Questions (VSA)

1. What are fossil fuels?
2. Name one solid fossil fuel.
3. What is coke?
4. Which fuel is called the cleanest fossil fuel?
5. Name one product obtained from petroleum.

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B. Short Answer Questions (SA)

1. Why are fossil fuels called non-renewable sources of energy?
2. What are the main products obtained from coal?
3. Why is CNG preferred over petrol and diesel?
4. What is petroleum refining?
5. Write two uses of coal tar.

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C. Long Answer Questions (LA)

1. Explain the formation of fossil fuels.
2. Describe the process of refining petroleum.
3. Explain the uses of coke, coal tar, and coal gas.
4. Why should we conserve fossil fuels?

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D. Fill in the Blanks

1. Coal is a ________ fossil fuel.
2. Petroleum is also called ________.
3. ________ gas is used as a fuel in homes and vehicles.
4. Coal tar is used for making ________.

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E. True or False

1. Petroleum is a renewable resource. (True / False)
2. Coke is a pure form of carbon. (True / False)
3. Natural gas produces less pollution. (True / False)
4. Coal gas is obtained during the processing of coal. (True / False)