EASY
8th CBSE
IMPORTANT
Earn 100

A variety of coal contains 38% carbon, 19% volatile substances and 43% moisture. Name the variety.

Important Questions on Coal and Petroleum

EASY
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Oral Exercises>Q 1
Name the two products obtained when coal is heated strongly in the absence of air.
EASY
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Oral Exercises>Q 2
What are the constituents of coal gas?
EASY
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Oral Exercises>Q 3
A greyish-black substance obtained from coal contains 98% of carbon. Name this substance.
EASY
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Oral Exercises>Q 4
Name the black tarry material obtained from coal on strong heating in the absence of air.
MEDIUM
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Oral Exercises>Q 1
Where does petroleum occur?
MEDIUM
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Oral Exercises>Q 2
Name two products obtained from petroleum which can be used as a fuel.
EASY
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Oral Exercises>Q 3
Name any two constituents of petroleum which are not used as as fuels.
EASY
8th CBSE
IMPORTANT
Science 8>Chapter 3 - Coal and Petroleum>Oral Exercises>Q 4
Write the full form of CNG.