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d) The process of separation of different constituents from petroleum is called……..

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LAKHMIR SINGH & MANJIT KAUR-COAL AND PETROLEUM-EXERCISE
  1. Fill in the following blanks with suitable words: b) Coal contains m...

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  2. Fill in the following blanks with suitable words: c) The slow proces...

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  3. Fill in the following blanks with suitable words: d) The process of ...

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  4. Fill in the following blanks with suitable words: e) The least pollu...

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  5. Fill in the following blanks with suitable words: f) The burning of ...

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  6. Explain why, fossil fuels are exhaustible natural resources.

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  7. Describe how coal was formed. What is this process called?

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  8. What happens when coal is heated in air ? State the use of coal.

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  9. State the uses of coke.

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  10. What are the constituents of coal gas ? State one use of coal gas.

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  11. What are the major products ( or fractions) of petroleum refining ? Gi...

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  12. What are the advantages of using natural gas ( or CNG ) as a fuel ?

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  13. State the various uses of natural gas.

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  14. What is CNG ? State its one use.

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  15. Where is natural gas found ? Why is natural gas called a clean fuel ?

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  16. What are the advantages of using LPG as fuel ?

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  17. Name any five useful substances which are manufactured from petrochemi...

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  18. Which material is called 'black gold' ? Why ?

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  19. Where and when was the world's first oil well drilled ?

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  20. Where and when was oil first struck in India ?

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