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प्रश्न
Name any one hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.
उत्तर
Kerosene is obtained during the fractional distillation of petroleum.
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संबंधित प्रश्न
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
Name the substance X.
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
Which of the following sources of energy are not derived from the sun?
Biomass, Wind, Ocean thermal energy, Geothermal energy, Nuclear fuels, Hydroelectricity, Wave energy, Coal, Petroleum, Tidal energy
A certain form of energy is available due to the difference in the temperature of water at the surface of the ocean and its deeper levels.
(a) Name the form of energy.
(b) Is this energy ultimately derived from the sun or not?
(c) Explain how this form of energy can be converted into electricity.
(d) What is the minimum temperature difference in water at the surface of ocean and its deeper level which is required to operate power plants based on is energy?
Choose the odd one:
Which of the following is a pair of exhaustible natural resources?
Write True/False against the following statement.
Resources which are present in unlimited quantity in nature are called exhaustible natural resources.
Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible? If yes, why? If not, why not?
