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Which one of the following is non combus...

Which one of the following is non combustible

A

Rock

B

Coal

C

Petrol

D

Wood

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NCERT TELUGU-COMBUSTION: FUELS AND FLAME-EXERCISE
  1. Write an activity to prove that oxygen helps in burning.

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  2. "Is combustion possible without the supply of oxygen? Discuss with you...

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  3. Explain giving reasons: In which of the following situations water wil...

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  4. List the ways adopted by fire fighters to combat fires.

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  5. Draw the diagram of candle flame and label all the zones.

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  6. Which one of the following is non combustible

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  7. Name the fuel that is commonly used by most of the people

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  8. Which of the following is used as a rocket fuel?

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  9. The substance that catches fire at room temperature by heat

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  10. Can we separate alcohol dissolved in water by using a separating funne...

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  11. Which one of the following is suggested for vehicles,.

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  12. Removing the unburnt materials from a heap of paper which caught fire

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  13. Electrical fires can be controlled by

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  14. Gas used is welding is

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  15. Which zone of the flame is brightest

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  16. FILL IN THE BLANKS : gas is liberated when improper combustion takes ...

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  17. FILL IN THE BLANKS : Gaseous fuels have Value.

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  18. FILL IN THE BLANKS : is used to control the burning of wood or paper.

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  19. FILL IN THE BLANKS : gold smiths usezone of flame.

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  20. FILL IN THE BLANKS : is a non supporter of combustion.

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