Home
Class 12
PHYSICS
Detergents in hot water enable grease to...

Detergents in hot water enable grease to be removed from the dishes by

A

raising the surface tension of water

B

changing the angle of contact between greases and dish to an obtuse angle

C

changing the angle of contact between greases and dish to an acute angle.

D

increasing the temperature of water

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|62 Videos

  • SURFACE TENSION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|72 Videos

  • STATIONARY WAVES

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 Videos

  • WAVE MOTION

    TARGET PUBLICATION|Exercise MCQ 7.1|61 Videos

Similar Questions

Explore conceptually related problems

Water is used in a hot water bag because

Temparary hardness may be removed from water adding.

TARGET PUBLICATION-SURFACE TENSION -EVALUATION TEST
  1. Detergents in hot water enable grease to be removed from the dishes by

    Text Solution

    |

  2. A drop of Volume V is pressed between the two glass plates so as to sp...

    Text Solution

    |

  3. Assertion : When two soap bubbles having different radii are kept in c...

    Text Solution

    |

  4. A capillary tube with very thin walls is attached to the beam of a bal...

    Text Solution

    |

  5. One end of a glass capillary tube with a radius r is immersed into wat...

    Text Solution

    |

  6. A capillary tube of radius r is lowered into water whose surface tensi...

    Text Solution

    |

  7. A soap bubble of radius 'r' is blown up to form a bubble of radius 2r ...

    Text Solution

    |

  8. Assertion : Pressure in bubble ( r ) in the atmosphere of pressure...

    Text Solution

    |

  9. Assertion:- Rise of water level in capillary tube should be accounted ...

    Text Solution

    |

  10. In gravity free space. The liquid in a capillary tube will rise to

    Text Solution

    |

  11. Assertion : When there is a thin layer of water between two glass pla...

    Text Solution

    |

  12. A glass capillary tube of radius r is placed vertically touching the s...

    Text Solution

    |

  13. A capillary is dipped in water vessel kept on a freely falling lift, t...

    Text Solution

    |

  14. Two spherical soap bubbles of radii r1 and r2 in vacuume coalesce unde...

    Text Solution

    |

  15. Water rises to height of 5 cm in glass capillary tube . If the area of...

    Text Solution

    |

  16. Suppose that 64 raindrops combine into a single drop . Calculate the r...

    Text Solution

    |

  17. Two separate air bubbles (radii 0.002 cm and 0.004) formed of the same...

    Text Solution

    |

  18. Two soap bubbles A and B are kept in a closed chamber where the air is...

    Text Solution

    |

  19. Two parallel glass plates are held vertically at a small separation d ...

    Text Solution

    |

  20. A glass rod of diameter d1 =1.5 mm is inserted symmetrically into a ...

    Text Solution

    |

  21. When a loop of wire is dipped in a wetting liquid and is taken out. A ...

    Text Solution

    |