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What is meant by fractional distillation...

What is meant by fractional distillation?

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NCERT TELUGU-COAL AND PETROLIUM-EXERCISE
  1. What are inexhaustible resources ? Give examples.

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  2. Group discussion on misuse of fuel resource and its consequences. Wha...

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  3. What is meant by fractional distillation?

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  4. What liquid hydrogen is natural gas ? Why it has become an important f...

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  5. What is coal tar? How is it useful to us?

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  6. Draw a diagram showing existence of various fuels like natural gas-pet...

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  7. What are the varieties of coal that differ in their uses ?

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  8. What are the different uses of fuels in daily life.

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  9. How is coal formed in the interior of the earth?

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  10. What are the uses of coal tar?

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  11. What are the petro-chemical products used for household (domestic) use...

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  12. Can you give some more examples where energy or fuel resources are mis...

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  13. Write an experiment which shows that when we heat high quality coal (c...

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  14. Write an experiment which shows that when we heat high quality coal (c...

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  15. Why are coal and petroleum so versatile?

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  16. Which one of the following is less polluting fuel?

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  17. The main constituent of coal is

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  18. Which one of the following materials is used for making shoe polish ?

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  19. Which one of the following is an exhaustible source

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  20. This is obtained from coal.

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