Advertisements
Advertisements
प्रश्न
Name five renewable and three non-renewable sources of energy.
Advertisements
उत्तर
Renewable:
- Sun
- Wind
- Flowing water
- Tides
- Nuclear fuel
Non-renewable:
- Coal
- Petroleum
- Natural gas
APPEARS IN
संबंधित प्रश्न
State any four characteristics of a good source of energy.
Name two sources of energy which you consider to be non-renewable. Give reason for your choice.
Write a short note on the pollution caused by burning fossil fuels.
Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen
Apart from cattle dung, what other substances can be added to a biogas plant?
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
Which produced of the nuclear fission of uranium-235 is utilised to cause further fission of its nuclei?
What are renewable energy resources?
Can you tell?
Why should we maximise the use of non-conventional energy resources?
Complete the crossword in figure with the help of the clues:
Across
1. Fuels obtained from dead remains of living organisms. (6, 5)
2. A process by which the various constituents of petroleum are separated. (8)
3. A porous black substance obtained from coal. (4)
4. Another name for motor fuel. (6)
Down
5. The substance obtained by carbonisation. (4)
6. Fuel for heavy motor vehicles. (6)
7. A petroleum product used for road surfacing. (7)
8. Dead remains of sea animals got converted into it. (9)
