EASY
8th CBSE
IMPORTANT
Earn 100

Why do CNG and LPG are called clean fuels?

Important Questions on Coal and Petroleum

EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST YOUR SKILLS>Q 3
What happens when wood is heated in absence of air? 
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST YOUR SKILLS>Q 4
Why coal and petroleum are called fossil fuels?
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST YOUR SKILLS>Q 5
Write the uses of petrochemicals.
MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST YOUR SKILLS>Q 1

How does coal formation takes place in the nature?

HARD
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST YOUR SKILLS>Q 2
What are the various components of petroleum? Write their uses.
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST YOUR SKILLS>Q 3
Explain the tips given by PCRA for saving petrol and diesel.
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST ASSIGNMENT NO. 1>Q 1
Write full form of CNG.
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 5 - Coal and Petroleum>TEST ASSIGNMENT NO. 1>Q 2
Name two fossil fuels.