Home
Class 11
CHEMISTRY
Why does oil spread over water when it i...

Why does oil spread over water when it is poured over water?

Text Solution

Verified by Experts

The surface tension of water is greater than that of oil, Also, density of oil is less than that of water, when oil is poured over water, the higher surface tension of water causes oil to spread over water.
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER : GASES AND LIQUIDS

    CHHAYA PUBLICATION|Exercise QUESTION-ANSWER ZONE FOR BOARD EXAMINATION|51 Videos

  • STATES OF MATTER : GASES AND LIQUIDS

    CHHAYA PUBLICATION|Exercise SOLVED WBCHSE SCANNER|23 Videos

  • STATES OF MATTER : GASES AND LIQUIDS

    CHHAYA PUBLICATION|Exercise PRACTICE SET|10 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET|13 Videos

  • STRUCTURE OF ATOM

    CHHAYA PUBLICATION|Exercise PRACTICE SET|15 Videos

Similar Questions

Explore conceptually related problems

Each side of an iron cube is 5 cm. This cube floats on mercury. What height of the cube remains above the surface of mercury? To cover the cube, if water is poured over mercury, then what will be the height of the water column? The density of iron is 7.2g*cm^(-3) and the density of mercury is 13.6g*cm^(-3) .

An awn or arista when present occurs over

why kerosene oil floats on water?

Given below are assertion and reason. Dried seeds of Pea are kept in tin, water is poured over them upto upper level. A lid is put tihgt over it. Within an hour the lid is blown off Reason. Due to rapid cell division in Pea seeds

What will happen if Industrial waste is poured into the river water?

Why are ethers not soluble in water ?

Why evaporation of water is faster when poured in a plate than a glass?

Why we feel cool when spirit is poured on our hand?

Why sugar is soluble in water?

CHHAYA PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-WARM UP EXERCISE
  1. The critical temperature and the critical pressure of a gas are T(c) a...

    Text Solution

    |

  2. The critical temperature of H(2),NH(3) and CO(2) gases are 5K, 405 K a...

    Text Solution

    |

  3. The critical temperature of NH(3) and SO(2) gases are 405.0 K and 430....

    Text Solution

    |

  4. The critical temperature of NH(3),CO(2) and O(2) gases are 405.6K, 304...

    Text Solution

    |

  5. The values of van der waals constants 'a' and 'b' for X, Y, and Z gase...

    Text Solution

    |

  6. Why is the density of a liquid greater than that of a gas ?

    Text Solution

    |

  7. The intermolecular attractions is dimethyl ether are weaker than that ...

    Text Solution

    |

  8. Why does the vapour pressure of a liquid increase with the increase in...

    Text Solution

    |

  9. Why does the boiling point of a liquid incrase with the increase in th...

    Text Solution

    |

  10. At 20^(@)C, the surface tension of water is thre times that of C Cl(4)...

    Text Solution

    |

  11. Water wets the surface of a glass, but mercury does not. Why?

    Text Solution

    |

  12. At t(1)""^(@)C and t(2)""^(@)C, the values of viscosity coefficients o...

    Text Solution

    |

  13. Why is the nib of a fountain pen splitted?

    Text Solution

    |

  14. Why does water rise inside a capillary tube?

    Text Solution

    |

  15. At 20^(@)C the increasing order of viscosity of acetic acid, acetone a...

    Text Solution

    |

  16. Why is the upper meniscus of mercury convex in a glass tube?

    Text Solution

    |

  17. Compare the CGS and SI units of viscosity?

    Text Solution

    |

  18. Addition of soaps or detergents to water decreases the surface tension...

    Text Solution

    |

  19. Why does the surface enegy increase on dispersion of a large water dro...

    Text Solution

    |

  20. Why does oil spread over water when it is poured over water?

    Text Solution

    |