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Hydrogen has been used as a rocket fuel ...

Hydrogen has been used as a rocket fuel would you consider it a cleaner fuel than C.N.G? Why or why not?

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MODERN PUBLICATION-SOURCES OF ENERGY-EXAMPLE
  1. State two advantages and two disadvantages of solar energy.

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  2. A family consumes 14.5 kg of LPG in 28 days. Calculate the average ene...

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  3. Hydrogen has been used as a rocket fuel would you consider it a cleane...

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  4. compare the traditional use of wind and watermill with that of modern ...

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  5. How can solar energy be harnessed? Mention any two limitations is usin...

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  6. Differentiate between renewable and non-renewable sources of energy.

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  7. Why is the use of wood as a fuel not advised although forests can be r...

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  8. What is greenhouse effect?

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  9. One gram of coal on complete combustion liberates 18kJ of heat. Calcul...

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  10. Explain why blue vitriol changes to white upon heating.

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  11. Give two examples where fractional distillation is used to separate th...

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  12. Explain why it is difficult to burn a piece of wood fresh from a tree?

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  13. Explain why pouring dry sand over the fire extinguishes it?

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  14. Explain why it is difficult to used hydrogen as a source of energy?

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  15. Why charcoal is considered better fuel than wood?

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  16. 48 kJ of energy is produced per minute in a nuclear reactor. Calculate...

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  17. Give one example of a nuclear fusion reaction.

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  18. In one fission or uranium 3xx10^-11J of energy is made available. Calc...

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  19. What is a nuclear fission reaction?

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  20. Mention merits of nuclear fission energy.

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