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(a) What happens when carbon burns in ai...

(a) What happens when carbon burns in air ? Write the chemical equation of the reaction which takes place.
(b) Why are coal and petroleum called fossil fuels ?
(c) Explain how coal was formed in the earth.
(d) Describe how petroleum was formed in the earth
(e) Name a fossil fuel other than coal and petroleum.

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The correct Answer is:
(e ) Natural gas
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LAKHMIR SINGH & MANJIT KAUR-CARBON AND ITS COMPOUNDS-Exercise
  1. (a) What is a homologous series ? Explain with an example. (b) State...

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  2. (a) What is meant by a functional group? Explain with an example (b)...

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  3. (a) What happens when carbon burns in air ? Write the chemical equatio...

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  4. The molecular formula of a homologue of butane is :

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  5. One of the following molecular formula can represent two organic compo...

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  6. The number of carbon atoms present in the molecule of fifth member of ...

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  7. One of the following burns without producing a flame. This is :

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  8. The functional group which always occurs in the middle of a carbon cha...

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  9. The molecular formulae of some organic compounds are given below. Whic...

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  10. The organic compounds which are isomeric with one another are:

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  11. The fuel which usually burns with a blue flame is:

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  12. Which of the following burns by producing a yellow luminous flame ?

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  13. The molecular formula of an organic compound is C(48)H(94). This compo...

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  14. One of the following molecular formulae represents a ketone .This form...

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  15. Which one of the following is not a fossil fuel ?

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  16. Butanone is a four-carbon compound with the functional group

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  17. The molecular formula of the third member of the homologous series of ...

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  18. The functional group present in propanal is :

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  19. An organic compound having the molecular formula C(3)H(6)O can exist i...

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  20. A hard material X which is mined from the earth is used as a houselold...

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