MEDIUM
8th CBSE
IMPORTANT
Earn 100

Is crude oil a mixture or a compound? Explain. 

Important Questions on Coal and Petroleum

MEDIUM
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Exercises>Q 5
Name the various fractions / products obtained from crude oil after distillation.
MEDIUM
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Exercises>Q 6
Give a few suggestions to save petroleum for future generations. 
 
MEDIUM
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Exercises>Q 1
Define exhaustible and inexhaustible natural resources and give two examples of each.
HARD
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Exercises>Q 2
How is wood converted into coal inside the earth?
HARD
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Exercises>Q 3
How is coal gas obtained? Name the active components of coal gas.
MEDIUM
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Exercises>Q 4
How is petroleum formed inside the earth?
MEDIUM
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Exercises>Q 1
Comment on the statement "Fossils in your car".
MEDIUM
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Exercises>Q 2
What is meant by the anaerobic thermal degradation of wood? Where does this process occur?