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
Name the important source from which naphthalene balls are obtained.
EASY
8th CBSE
IMPORTANT
Name the product of coal which is thick black liquid having an unpleasant smell.
MEDIUM
8th CBSE
IMPORTANT
Why does petrol burn faster than coal?
EASY
8th CBSE
IMPORTANT

Name some products of petroleum obtained by fractional distillation.

EASY
8th CBSE
IMPORTANT

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

EASY
8th CBSE
IMPORTANT

Natural gas mainly consists of methane in what amount?

EASY
8th CBSE
IMPORTANT

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

MEDIUM
8th CBSE
IMPORTANT

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