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प्रश्न
Choose the correct answer.
Windmills have been used for many centuries in
पर्याय
the USA
the Netherlands
Russia
India
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उत्तर
Windmills have been used for many centuries in the Netherlands
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संबंधित प्रश्न
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
What is the composition of liquefied petroleum gas (LPG)?
Write the full forms of CNG and LPG.
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
Name the component which is found in natural gas well as in biogas.
Write a short note on the pollution caused by burning fossil fuels.
What are the various steps which can be taken to control (or reduce) pollution caused by burning fossil fuels?
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
Which of the following is not produced by the burning of fossil fuels?
(a) nitrogen oxides
(b) sulphur oxides
(c) sodium oxides
(d) carbon oxides
The aviation fuel which is used in the engines of jet aeroplanes is:
(a) diesel
(b) kerosene
(c) petrol
(d) CNG
The ultimate source of energy stored in fossil fuels is:
(a) moon
(b) earth
(c) sun
(d) sea
Name the constituents of biogas.
Name the biomass which is still widely used as a source of heat energy in many household of our country.
When the material A mined from the earth is heated strongly in an insufficient supply of air, it produces a solid fuel B which consists mainly of carbon. When another material C obtained from trees is heated in an insufficient supply of air, it produces another solid fuel D which also consists mainly of carbon. Name A, B, C and D
What are non-renewable resources of energy? Give two examples of such resources.
Name five renewable and three non-renewable sources of energy.
Who is the odd one out?
Name two forms of sea energy.
Some natural resources are given below. Classify them into the exhaustible and inexhaustible natural resources.
| air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen |
