Home
Class 9
CHEMISTRY
Give reason for the following observatio...

Give reason for the following observations : We can get the smell of perfume sitting several metres away.

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Give reasons for the following observations. We can get the smell of perfume sitting several matres away.

Give reason for the following observation: The small of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

Give reasons for the following: Birds can fly but the mammls cannot.

Give reason for the following Chlamydomonas is motile.

Give reason for the following statement- An alloy is not a metal.

Give reasons for the following statements: Grain is a fruit not seed.

Give reason for the following Double fertilization is present is angiosperms.

Give reason for the following question- Gun metal is an alloy.

Give reason for the following statement- Manganese steel is an alloy.

MBD-MATTER IN OUR SURROUNDINGS-Example
  1. Convert the following temperatures to the Kelvin scale : 1373^@ C

    Text Solution

    |

  2. Give reason for the following observations: Naphthalene balls disappea...

    Text Solution

    |

  3. Give reason for the following observations : We can get the smell of ...

    Text Solution

    |

  4. Arrange the following substances in increasing order of forces of attr...

    Text Solution

    |

  5. What is the physical state of water at :25^@C

    Text Solution

    |

  6. What is the physical state of water at :0^@ C

    Text Solution

    |

  7. What is the physical state of water at :100^@ C

    Text Solution

    |

  8. Give two reasons to justify that :Water at room temperature is a liqui...

    Text Solution

    |

  9. Give two reasons to justify that :An iron almirah is a solid at room t...

    Text Solution

    |

  10. Why is ice at 273 K more effective in cooling than water at the same t...

    Text Solution

    |

  11. What produces more severe burns : boiling water or steam ?

    Text Solution

    |

  12. Name A, B, C, D, E and F in the following diagram showing state change

    Text Solution

    |

  13. Give important characteristics of solid state.

    Text Solution

    |

  14. Give important characteristics of the liquid state.

    Text Solution

    |

  15. Give important characteristics of gas.

    Text Solution

    |

  16. Give the main postulates of kinetic theory of matter.

    Text Solution

    |

  17. Distinguish between solids, liquids and gases.

    Text Solution

    |

  18. How will you explain the three states of matter on the basis of Kineti...

    Text Solution

    |

  19. Define the terms given below and answer the questions associated with ...

    Text Solution

    |

  20. Define the terms givenbelow and answer the questions associated with t...

    Text Solution

    |