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Which one of the following is not a fossil fuel?
The major component of LPG is :-
The gas which occurs above the petroleum oil trapped under the rocks is called : -
compressed natural gas
Napthalene balls are obtained from fractional distillation of _______________.
__________is almost pure form of carbon.
One of the following is not an exhaustible source of energy. This one is :-
The process of separation of different constituents from petroleum is called ____________.
Which of the following is used as a reducing agent in the extraction of iron metal ?
Which of the following is not obtained as a fraction during the refining of petroleum ?
___________is used in skin ointments.
The worst option to put off fire caused due to petrol is :-
throwing sand over the fire
using fire extinguisher
Which of the following produces more heat on burning?
Name the fuel used in jet aircrafts.
Coal is also known as :-
Which one of the following is an inexhaustible natural resource?