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प्रश्न
Look at figure where petroleum and natural gas deposits are shown. Why do we find oil layer above water layer?
उत्तर
Oil is lighter than water, hence floats over it.
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संबंधित प्रश्न
Name two sources of energy that you think are renewable. Give reason for your choice.
Name any one hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.
Name any four fractions obtained from petroleum which are used as fuels.
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(a) coal gas
(b) electricity
(c) oil
(d) charcoal
Compare the sun and the fossil fuels as the sources of energy.
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(a) hydrogen
(b) butane
(c) hydrogen sulphide
(d) methane
Tidal energy is ______ type of energy.
In a hydro power plant ______.
Choose the odd one:
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
