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On placing an inverted tumbler over a bu...

On placing an inverted tumbler over a burning candle, the flame extinguishers after sometime. This is because of non-availability of ___

A

Water vapours

B

Oxygen

C

Carbon dioxide

D

Wax

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VGS PUBLICATION-BRILLIANT-COMBUSTION , FUELS AND FLAME-EXERCISE
  1. is written on petrol tankers.

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  2. Compound used in safety matches is

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  3. is used in surface of matchstick.

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  4. Liquid fuel used in homes

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  5. Burning of wood and coal causes severe pollution.

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  6. The type of combustion in which material suddenly burns into flames wi...

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  7. Burning of a matchstick is an example ofcombustion.

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  8. In which situations we are misusing the fuel resources while cooking i...

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  9. The unit of calorific value

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  10. Geetha : Fire is necessary to burn a substance. Harini : Sufficient te...

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  11. Which causes less pollution ? Among the fuels that we use in our daily...

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  12. Observe the following table.Which have same calorific value ?

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  13. The correct order of the following sentences is1) Insert a glass tumbl...

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  14. On placing an inverted tumbler over a burning candle, the flame exting...

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  15. Which one among the following is considered as the cleanest fuel ?

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  16. Clothes catch fire, the best way to extinguish the fire is to

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  17. In villages, people use wood as fuel because .

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  18. Which one of the following has the highest calorific value ?

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  19. One of the following substances is expected to have the highest igniti...

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  20. The following is not a combustible substance

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