Home
Class 11
CHEMISTRY
Why the rain drops are spherical? Why th...

Why the rain drops are spherical? Why the surface-tension of pb is higher than that of water.-

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER 10

    UNITED BOOK HOUSE|Exercise EXERCISE|49 Videos

  • MODEL QUESTION PAPER 12

    UNITED BOOK HOUSE|Exercise EXERCISE|51 Videos

Similar Questions

Explore conceptually related problems

The surface tension of mercury is much greater than water why?

Why the falling liquid drop is spherical in nature?

Explain why the catenation property of sulphur is higher than that of oxygen?

Why is the entropy of ice less than that of water?

Why the boiling point of salt water is higher than pure water?

Why the electron affinity of chlorine is higher than that fluorine?

Why the 1st Ionisation potential of N_2 is higher than O_2 ?

Why is there no atmosphere on the surface of the moon ?

Why is the compressibility of a gas higher than that of a liquid or a solid?

UNITED BOOK HOUSE-MODEL QUESTION PAPER 11-EXERCISE
  1. Why the bond length of BF3 is less than that of BF4? Find the hybridi,...

    Text Solution

    |

  2. Calculate th r.m.s. velocities of CO2 at 27^@C. Show that C(rms) =sqrt...

    Text Solution

    |

  3. Why the rain drops are spherical? Why the surface-tension of pb is hig...

    Text Solution

    |

  4. Calculate the enthalpy for the reaction at 27^0C. C2 H5 Cl (s) rarr C...

    Text Solution

    |

  5. Calculate Delta H-DeltaU at 25^@C for the reaction:H2(g)+( 1/2)O2(g) =...

    Text Solution

    |

  6. What is the oxidation number of Mn in K2 Mn O4?

    Text Solution

    |

  7. Calculate the oxidation no of * marked atom:*Fe (CO)5

    Text Solution

    |

  8. Balance the equation by oxidation no method :AI + NaOH + H2O rarr NaAl...

    Text Solution

    |

  9. Balance by oxidation number method P4 +NaOH + H2O rarr NaH2 PO2 + PH3...

    Text Solution

    |

  10. What do you mean by Interstitial and non stoichiometric hydrides? Give...

    Text Solution

    |

  11. Why K2 CO3 can’t be prepared by solvey process? What is backing soda?

    Text Solution

    |

  12. What is carbene? How many types of carbene present? Give example.

    Text Solution

    |

  13. 2AB2 (g) = 2AB (g) + B2 (g) if the degree of dissociation and total pr...

    Text Solution

    |

  14. Calculate the pH 0.01 (m) ch3COOH at 25^@C. (Given dissociation con...

    Text Solution

    |

  15. Write the, equation what happen when:Borax is' heated with ethanol and...

    Text Solution

    |

  16. Write the, equation what happen when:Mixture of diborane and Ammonia i...

    Text Solution

    |

  17. State reason :Why born nitrides is called inorganic graphite..

    Text Solution

    |

  18. State reason :BH3 forms dimer.

    Text Solution

    |

  19. Give example of 3-centre-2-electron bond.

    Text Solution

    |

  20. How would you differ chemically:Ethene & Ethyne.

    Text Solution

    |