Home
Class 9
CHEMISTRY
When a gas jar full of air is placed ups...

When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :

A

air is heavier than bromine

B

both air an bromine have the same density

C

bromine is heavier than air

D

bromine cannot be heavier than air because it is going upwards against gravity

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MATTER IN OUR SURROUNDINGS

    LAKHMIR SINGH & MANJIT KAUR|Exercise VERY SHORT ANSWER TYPE QUESTIONS|6 Videos

  • MATTER IN OUR SURROUNDINGS

    LAKHMIR SINGH & MANJIT KAUR|Exercise SHORT ANSWER TYPE QUESTIONS|13 Videos

  • IS MATTER AROUND US PURE

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT BOOK PAGE 24|1 Videos

  • MODEL TEST PAPER 1

    LAKHMIR SINGH & MANJIT KAUR|Exercise SECTION B|3 Videos

Similar Questions

Explore conceptually related problems

A student placed a gas jar containing air in the upside down position over a gas jar full of red-brown bromine vapours. He observed that the red-brown colour spread upwards into the jar containing air. Based on this observation, the student concluded that it is only the bromine vapour which moves up and diffuses into air in the upper jar, the air from the upper jar does not move down by diffusion into the lower jar containing bromine vapours. Do you agree with this conclusion of the student ? Give reason for your answer.

When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect ?

When a gas jar containing air is inverted over a gas jar containing bromine vapour, the red-brown bromine vapour diffuse into air. Explain how bromine vapour diffuse into air.

A one litre flask is full of brown bromine vapours. The intensity of brown colour of vapour will not decrease apprciably on adding to the flask some.

A one litre is full of brown bromine vapours. The intensity of brown colour of vapours will not decrease appreciably on adding to the flask some

One litre flask is full of brown bromine fumes. The intensity of brown colour of vapour will not decreases appreciably on adding to the flask some

A one litre flask is full of reddish brown bromine fumes. The intensity of brown colour of vapour will not decrease appreciably on adding to the flask some :

A hemispherical bowl of radius R is placed upside down on a flat horizontal surface. There is a small hole at the top of the inverted bowl. Through the hole, a liquid of density rho is poured in. Exactly when the container gets full, water starts leaking from between the table and the edge of the container. Find the mass (m) of the contaienr.

LAKHMIR SINGH & MANJIT KAUR-MATTER IN OUR SURROUNDINGS -NCERT
  1. When a gas jar full of air is placed upside down on a gas jar full of ...

    Text Solution

    |

  2. Which of the following are matter? Chair, air,love, smell, hate, atmon...

    Text Solution

    |

  3. Give reasons for the following observation: The smell of hot sizzling ...

    Text Solution

    |

  4. A diver is able to cut through water in a swimming pool. Which propert...

    Text Solution

    |

  5. CHARACTERISTICS OF PARTICLES OF MATTER

    Text Solution

    |

  6. The mass per unit volume of a substance is called density (density = m...

    Text Solution

    |

  7. (a) Tabulate the differences in the characteristics of states of matte...

    Text Solution

    |

  8. Give reasons (a) A gas fills completely the vessel in which it is ke...

    Text Solution

    |

  9. Liquids generally have lower density as compared to solids but you mus...

    Text Solution

    |

  10. Convert the following temperatures to celsius scale : (a) 300 K (...

    Text Solution

    |

  11. What is the physical state of water at: a. 250^(@)C b. 100^(@)C ?

    Text Solution

    |

  12. For any substance, why does the temperture remain constant during the ...

    Text Solution

    |

  13. Suggest a method to liquefy atmospheric gases.

    Text Solution

    |

  14. Why does a desert cooler cool better on a hot dry day?

    Text Solution

    |

  15. How does the water kept in an earthen pot (mataka) become cool during ...

    Text Solution

    |

  16. Why does our palm feel cold when we put some acetone or petror or per...

    Text Solution

    |

  17. Why are we able to sip hot tea or milk faster from a saucer rather tha...

    Text Solution

    |

  18. What type of clothes should we wear in summer?

    Text Solution

    |

  19. Convert the following temperatures to the celsius scale. (a) 293k (...

    Text Solution

    |

  20. Convert the folowing temperature to the kelvin scale. (a) 25^(@)C (b...

    Text Solution

    |

  21. Give reason for the following observations. (a) Naphthalene balls d...

    Text Solution

    |