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Why do we use graphite in pencils for wr...

Why do we use graphite in pencils for writing ?

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BEYOND PUBLICATION-CARBON AND ITS COMPOUNDS-EXERCISE
  1. Among which type of orbitals, redistribution takes place ?

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  2. Which type of hybridisation is there in graphite ?

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  3. Why do we use graphite in pencils for writing ?

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  4. How is it possible to use graphite in electricity ?

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  5. We can break the layers of graphite easily - Why ?

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  6. How many categories that hydrocarbons classified into ?

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  7. According to bond formation, how types of hydrocarbons are there ?

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  8. Which hydrocarbons are called as alkanes ?

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  9. Do straight chain compound and branched chain compound have similar pr...

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  10. Write any four properties of carbon and explain.

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  11. Which allotropes are used as good conductors ? Why ?

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  12. 2HC = CH - CH2-CH2- CH3. Write a few sentences about this compound.

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  13. How do you say combustion is an oxidation process ? Give an example.

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  14. Acetic acid is

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  15. The nature of second grade functional groups is given by

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  16. Identify the alkanes given below. C5H12, CH4, C3H8,C2H4

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  17. Identify the alkenes given below. C2H4 CH4 C3H6 C4H8

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  18. Conversion of ethyl alcohol into Acetic acid is

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  19. Which of the following are aldehydes ? CH3CHO C6H5-overset(O)overset(|...

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  20. Which of the following are compounds ? Sugar Common salt Diamond Plas...

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