Home
Class 8
CHEMISTRY
A slow fire bursts into a flame when air...

A slow fire bursts into a flame when air is blown on it, but a candle burning with flame goes off when air is blown on it. Why?

Promotional Banner

Topper's Solved these Questions

  • COAL AND PETROLEUM

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|144 Videos

  • ELECTRICAL CONDUCTIVITY OF LIQUIDS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|95 Videos

Similar Questions

Explore conceptually related problems

Why does candle give flame when it is burnt but why does coal burn without emitting a flame?

Name the products formed when a candle burns in the air.

A wax candle burns with a yellow flame. The domestic gas burns when lighted with a blue flame. Why?

What happens. when a burning candle bring near to the hydrogen gas ?

Do trachea collapse when there is no air in it?

The correct order of the following sentences is1) Insert a glass tumbler over it, 2) Then flickers and finally, flame goes off,3) Take a small burning candle and put it on a table, 4) The candle continues to burn for some time

VGS PUBLICATION-BRILLIANT-COMBUSTION , FUELS AND FLAME-EXERCISE
  1. Why does a scented stick with burning stub does not catch fire when it...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. What makes match sticks to catch fire?

    Text Solution

    |

  7. What is calorific value? Write its units

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  11. Why do some materials burn and some do not?

    Text Solution

    |

  12. Why do some materials which do nt burn at normal temperature burn at h...

    Text Solution

    |

  13. If you lift the glass tumbler (which is placed over a burning candle) ...

    Text Solution

    |

  14. How do you say that the gas released in the experiment is oxygen?

    Text Solution

    |

  15. Can we replace potassium permanganate (KMnO4) with any other substance...

    Text Solution

    |

  16. Is there any other procedure to prove that oxygen is needed for burnin...

    Text Solution

    |

  17. Why do we keep phosphorus in water?

    Text Solution

    |

  18. Why do kerosene stoves and bunsen burners have small holes in them?

    Text Solution

    |

  19. It is hard to ignite match stick in rainy days. Why?

    Text Solution

    |

  20. A wax candle burns with a yellow flame. The domestic gas burns when li...

    Text Solution

    |