CBSE 8 Science - Coal And Petroleum - Revision Assignment

1. Differentiate between exhaustible and inexhaustible natural resources.

2. What is carbonisation? Write the different forms of coal.

3. Define destructive distillation of coal. List the useful products formed with their uses.

4. How are petroleum and natural gas formed?

5. What is refining of petroleum?

6. Write one use of each of the following

a) Petroleum gas

b) Kerosene

c) Gasoline

d) Bitumen

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