Home
Class 9
CHEMISTRY
State one condition necessary to liquefy...

State one condition necessary to liquefy gases (other than applying high pressure)

Text Solution

Verified by Experts

The correct Answer is:
Lowering temperature (or Cooling)
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

Assertion (A) Gases do not liquefy above their critical temperature, even on applying high pressure. Reason (R) Above critical temperature, the molecular speed is high and intermolecular attractions cannot hold the molecules together because they escape because of high speed.

State two necessary conditions for rusting.

Why are the gases helium and hydrogen not liquefied at room temperature by applying very high pressure ?

Two different gases 'A' and 'B' are filled in separate containers of equal capacity under the same condition of temperature and pressure. On increasing the pressure slightly the gas 'A' liquefies but gas B does not liquify even on applying high pressure until it is cooled. Explain this phenomenon.

Assertion :- If pressure greater than atmospheric pressure is applied to pure water or solution, its water potential decreases. Reason:- Pressure other than atmospheric pressure leads to decrease in free energy of solution

LAKHMIR SINGH & MANJIT KAUR-MATTER IN OUR SURROUNDINGS -NCERT
  1. State one condition necessary to liquefy gases (other than applying hi...

    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

    |