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The type of combustion in which material...

The type of combustion in which material suddenly burns into flames without the application of any external agent is called

A

`1`. Rapid combustion

B

`2`. Slow combustion

C

`3`. Spontaneous combustion

D

`4`. Explosion

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VGS PUBLICATION-BRILLIANT-COMBUSTION , FUELS AND FLAME-EXERCISE
  1. The unit of calorific value

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  2. Spirit and petroleum turns into gas at

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

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  4. Why does candle give flame when it is burnt but why does coal burn wit...

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  5. Do all fuels produce same amount of heat when they are burnt?

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  6. What do we need to burn a material?

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  7. Have you observed material used to make school bell or bells in temple...

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  8. Name the three meninges. In which group of animals do you find all of ...

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  9. What do we need to burn a material?

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  10. Can we burn a material in the absence of air?

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  11. Why does a scented stick with burning stub does not catch fire when it...

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  12. Why does a scented stick with burning stub does not catch fire when it...

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  13. A slow fire bursts into a flame when air is blown on it, but a candle ...

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  14. If a large quantity of dry grass is set on fire in forests then it is ...

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  15. When an object catches fire, the fire is put off by covering with sand...

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  16. What makes match sticks to catch fire?

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  17. What is calorific value? Write its units

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  18. How can we put off the fire if it breaks out?

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  19. Why the fire brigade start the work by putting off the electric mains?

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  20. How does water help in eliminating the factors, which support the comb...

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