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प्रश्न
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Classify the following into renewable and non-renewable sources of energy:
Coal, Wind, Tides, Petroleum,Wood, Natural gas
Most of the fuels contain carbon as one of the constituents. Name a fuel which has very high calorific value but not contain carbon.
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
Complete the following sentence:
Domestic gas cylinders like Indane contain mainly ..............
Write a short note on the pollution caused by burning fossil fuels.
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
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.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 clean fuel which can be obtained from cow-dung.
Apart from cattle dung, what other substances can be added to a biogas plant?
What is biomass? Give three examples of biomass.
Why is biogas considered an ideal fuel for domestic use?
The constituent of biogas which makes it an excellent fuel is:
(a) butane
(b) methane
(c) propane
(d) ethane
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
Select the renewable and non-renewable sources of energy from the following :
- Coal
- Wood
- Water
- Diesel
- Wind
- Oil
Why is the use of wood as a fuel not advisable although wood is a renewable source of energy?
State whether the following is True or False.
Coal takes millions of years to form.
Can you tell?
Why should we maximise the use of non-conventional energy resources?
Why is charcoal considered better fuel than wood?
Tidal energy is ______ type of energy.
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Nutsgilh is an example of inexhaustible natural resources.
