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प्रश्न
Name two forms of sea energy.
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उत्तर
Two forms of sea energy are:
- Tidal energy
- Wave energy
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संबंधित प्रश्न
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
Which of the following is not a renewable source of energy?
(a) wind
(b) flowing water
(c) fossil fuels
(d) fuel wood
The aviation fuel which is used in the engines of jet aeroplanes is:
(a) diesel
(b) kerosene
(c) petrol
(d) CNG
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.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.
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
How does this device help in controlling air pollution?
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?
Fill in the blank
_______is the coal with the highest percentage of coal.
What are fossil fuels?
Higher Order Thinking Skill (HOT)
What are the objectives for replacing non-conventional energy resources from conventional energy resources?
