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प्रश्न
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
उत्तर
butane
Butane is the main constituent of petroleum gas.
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संबंधित प्रश्न
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.
Name another element which is usually found in combination with X in fossil fuels.
Name the original source of wind energy.
Name the biomass which is still widely used as a source of heat energy in many household of our country.
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
What type of nuclear reaction is responsible for the liberation of energy:
in a nuclear reactor?
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
Write a short note on nuclear power.
Acid rain happens because ______.
Choose the incorrect statement regarding wind power
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
