Home
Class 8
CHEMISTRY
What is combustion ?...

What is combustion ?

Promotional Banner

Topper's Solved these Questions

  • COMBUSTION, FUELS AND FLAME

    NCERT TELUGU|Exercise Improve your learning|27 Videos

  • ELECTRICAL CONDUCTIVITY OF LIQUIDS

    NCERT TELUGU|Exercise Think and discuss|3 Videos

Similar Questions

Explore conceptually related problems

What is heat of combustion ? How is it determined using bomb calorimeter ?

Which has maximum molar heat of combustion?

When 10g of methane is completely burnt in oxygen the heat evolved is 560kJ. What is the heat of combustion (in kJ mol^(-1) of methane ?

Heat of formation of CO and CO_2 are -26.4, -94.0 kcal/mole respectively. What is the heat of combustion of CO in kcals?

The amount of heat evolved on combustion of 10 grams of benzoic acid is 10 K.Cals. The heat of combustion of benzoic acid is

The heat of combustion of benzene at 27^@C and at constant volume is -3245 KJ. Then the heat of combustion of benzene at the same temperature and at constant pressure

NCERT TELUGU-COMBUSTION: FUELS AND FLAME-EXERCISE
  1. Why the fire brigade start the work by putting off the electric mains?

    Text Solution

    |

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

    Text Solution

    |

  3. What is combustion ?

    Text Solution

    |

  4. What are inflammable substance? Give examples.

    Text Solution

    |

  5. Write the names of any two liquid fuels.

    Text Solution

    |

  6. What is the criteria to decide a best fuel ?

    Text Solution

    |

  7. What is calorific value? Write its units

    Text Solution

    |

  8. “Sneha wanted to know why paraffin wax in a candle and the wick in a d...

    Text Solution

    |

  9. Give two examples of fossil fuels.

    Text Solution

    |

  10. What chemicals are present in the substances applied on the head of a ...

    Text Solution

    |

  11. Where do you find the red phosphorous on the sides of match box or on ...

    Text Solution

    |

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

    Text Solution

    |

  13. Write an activity to prove that oxygen helps in burning.

    Text Solution

    |

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

    Text Solution

    |

  15. The oil fires should not be sprayed with water. Why?

    Text Solution

    |

  16. What precautions are to be taken while pouring water on fire?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. In a Wax candle flame, how many flame zones do you observe ? Which is ...

    Text Solution

    |