Petrol and diesel are obtained from a natural resources called
Sun
Petroleum
Coal tar
Coal gas
What is the key resource for diesel?
Coal
Natural gas
None of these
In the oil wells,natural gas forms the top most layer, followed by oil and finally water.This is because,
Oil and gas are heavier than water
Oil and gas are lighter than water
Oil and gas stick to each other
Natural gas mainly consists of?
C2H6
CH4
C3H8
C4H10
___________ was used for street lighting for the first time in London.
Bitumen
none of these
What is the main content of Coal?
Hydrogen
Oxygen
Carbon
Sodium
Which one of the following is NOT a fossil fuel?
Petrol
Coke
Charcoal
What is used in place of coal-tar for metaling the roads?
Select the quality that a good fuel should possess.
High calorific value
A low calorific value
It should burn too fast
It should burn too slow
Which of the following is used as a fuel?
Gasoline
Ether
Pitch tar
Grease
