Advertisements
Advertisements
प्रश्न
Look at the figure where petroleum and natural gas deposits are shown. Why do we find oil layer above water layer?
Advertisements
उत्तर
Oil is lighter than water, hence floats over it.
APPEARS IN
संबंधित प्रश्न
Compare and contrast fossil fuels and the Sun as direct sources of energy
Name any one hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.
Write the full forms of CNG and LPG.
The natural gas consists mainly of:
(a) methane
(b) ethane
(c) propane
(d) butane
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.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.
Most of the sources of energy that we sue represent stored solar energy. Which of the following is not ultimately derived from the sun's energy?
(a) wind energy
(b) geothermal energy
(c) fossil fuels
(d) biomass
Which part of the solar cooker is responsible for greenhouse effect?
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
Which of the following is a pair of exhaustible natural resources?
Sunlight and air are inexhaustible natural resources. Comment.
