EASY
8th CBSE
IMPORTANT
Earn 100

Petroleum is also known as black gold.

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Important Questions on Coal and Petroleum

EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST ASSIGNMENT NO. 2>Q 7
The process of formation of petroleum is called carbonisation.
MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST ASSIGNMENT NO. 2>Q 8
Explain the formation of coal by natural processes.
HARD
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST ASSIGNMENT NO. 2>Q 9
Explain refining of petroleum with the help of a diagram.