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The main constituent of coal is...

The main constituent of coal is

A

Carbon

B

Oxygen

C

Air

D

Water

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NCERT TELUGU-COAL AND PETROLIUM-EXERCISE
  1. Why are coal and petroleum so versatile?

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

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  3. The main constituent of coal is

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

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  5. Which one of the following is an exhaustible source

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  6. This is obtained from coal.

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  7. Which one of the following is used in making roads

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  8. Which of the following is known as liquid gold ?

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  9. is used in the manufacture of steel and extraction of many metals.

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  10. Which one of the fuel is advised for vehicles to reduce pollution

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  11. Which of the following is not a greenhouse gas?

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  12. How do you appreciate use of fossil fuels in daily life?

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  13. Name the compound obtained from petroleum used for reducing friction

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  14. The materials required for making plastics

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  15. Fill in the blanks. ……was used in manufacture of steel.

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  16. Fill in the blanks. The biproduct of coal used in synthetic dyes and p...

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  17. Fill in the blanks. Coal was formed in areas where large amounts of……....

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  18. Fill in the blanks. ……..gas which causes climate change and global war...

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  19. Fill in the blanks with correct answers : when coal is fixed in plants...

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  20. Fill in the blanks with correct answers : Fossil fuels are ………………… and...

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