EASY
8th CBSE
IMPORTANT
Earn 100

Coal, petroleum and natural gas are known as non-renewable resources. Why?

Important Questions on Coal and Petroleum

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 5 - Coal and Petroleum>Check Point>Q 2
Name the important source from which naphthalene balls are obtained.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 5 - Coal and Petroleum>Check Point>Q 3
Name the product of coal which is thick black liquid having an unpleasant smell.
MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 5 - Coal and Petroleum>Check Point>Q 1
Why does petrol burn faster than coal?
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 5 - Coal and Petroleum>Check Point>Q 2

Name some products of petroleum obtained by fractional distillation.

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 5 - Coal and Petroleum>Check Point>Q 3

Write the two products of petroleum which are not used as fuels.

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 5 - Coal and Petroleum>Check Point>Q 1

Natural gas mainly consists of methane in what amount?

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 5 - Coal and Petroleum>Check Point>Q 2

When natural gas is compressed by applying pressure, what is it called?

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 5 - Coal and Petroleum>Check Point>Q 3

Coal, petroleum and natural gas cannot be prepared in the laboratory. Why?