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FILL IN THE BLANKS : When coal is heated...

FILL IN THE BLANKS : When coal is heated in the absence of air we get________ and ________

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Can we burn a material in the absence of air?

If we double 2x we get________

When coal burns in air___________________

FILL IN THE BLANK The process of inhaling air is called…..

FILL IN THE BLANKS : ________ is also known as soft coal.

FILL IN THE BLANKS : Insufficient burning of coal liberates________

A process in which the ore is strongly heated in the absence of air or oxygen is

FILL IN THE BLANK The process of exhaling air is called…..

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Fill in the blanks: Coal is a _____________________ resource.

NCERT TELUGU-COAL AND PETROLIUM-EXERCISE
  1. Complete the given analogy : petrochemical

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  2. Complete the given analogy Carbon Dioxide:Global warming:::Nausea

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  3. Draw a flow chart showing Exhaustible and Inexhaustible resources and ...

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  4. How do you appreciate the efforts of human beings to discover an alter...

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  5. "The use of CNG and LPG as fuels for automobiles helps us to minimize ...

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  6. Coke mainly consists of

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  7. Write some eco - friendly activities.

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  8. Why petroleum is called black gold?

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  9. Name the process by Which we separate other ptoducts from petroleum

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  10. A major component of Gobar gas is

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  11. The main common constituent of producer gas and water gas is

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  12. The main constituent of coal is

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  13. Which is the residual during petroleum refining

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  14. Name the petroleum product used in preparing cosmetics

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  15. Name the coal product used as reducing agent during iron extraction

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  16. FILL IN THE BLANKS : is used in the manufacture of explosives TNT.

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  17. FILL IN THE BLANKS : is also known as soft coal.

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  18. The …………… which are used in air contioners, refrigerators are responsi...

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  19. FILL IN THE BLANKS : When coal is heated in the absence of air we get ...

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  20. FILL IN THE BLANKS : Insufficient burning of coal liberates

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