MEDIUM
8th CBSE
IMPORTANT
Earn 100

  (CNG / Coal) is a clean fuel.

83.33% studentsanswered this correctly

Important Questions on Coal and Petroleum

EASY
8th CBSE
IMPORTANT
The world's first oil well was drilled in _____.
EASY
8th CBSE
IMPORTANT
Oil wells are drilled using _____.
EASY
8th CBSE
IMPORTANT
_____ is used in electric generators to produce electricity on a small scale. (Diesel/ Kerosene)
EASY
8th CBSE
IMPORTANT
_____ is used as a fuel in the form of LPG.
MEDIUM
8th CBSE
IMPORTANT
Petroleum is extracted by _____ holes in the Earth's crust.
MEDIUM
8th CBSE
IMPORTANT
_____ is a mixture of methane and hydrogen, with some carbon dioxide. (Coal gas / Coal tar)
EASY
8th CBSE
IMPORTANT

Write three examples of for the following:

Exhaustible natural resources

EASY
8th CBSE
IMPORTANT

Write three examples for the following:

Fossil fuels