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What is a good fuel ?...

What is a good fuel ?

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A good fuel produces a huge amount of heat on burning, does not produce a lot of smoke, and is easily available.
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NCERT-SOURCES OF ENERGY-Exercise
  1. What is good source of energy ?

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  2. What is a good fuel ?

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  3. If you could use any source of energy for heating your food, which one...

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  4. What are the disadvantages of fossil fuels ?

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  5. Why are we looking at alternate sources of energy ?

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  6. How has the traditional use of wind and water energy been modified for...

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  7. What kind of mirror-concave, convex or plane-would be best suited for ...

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  8. What are the limitations of enegry that can be obtained from the ocean...

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  9. What is geothermal energy ?

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  10. What are the advantages of unclear energy?

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  11. Can any source of energy be pollution-free ? Why or why not ?

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  12. Hydrogen has been used as a rocket fuel. Would you consider it a clean...

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  13. Name two energy sources that you would consider to be renewable. Give ...

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  14. Give the names of two energy sources that you would consider to be exh...

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  15. A solar water heater cannot be used to get hot water on : (a) a sunn...

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  16. Which of the following is not an example of bio-mass energy source ? ...

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  17. Most of the sources of energy we use represent stored solar energy. Wh...

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  18. Compare and contrast fossil fuels and the sun as sources of energy.

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  19. Compare and contrast bio-mass and hydro-electricity as sources of ener...

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  20. What are the limitations of extracting enegry from : (a) the wind ...

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