Home
Class 12
CHEMISTRY
Pressure cooker reduce-cooking time. Why...

Pressure cooker reduce-cooking time. Why?

A

heat is. more evenly distributed:in cook"ing space

B

boiling point of water involved in cooking is increased 'boldsymbolc'

C

pressure inside the cooker wishes fond materiat

D

cooking involves chemical changes helped by rise in temperature '

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • POLYMERS

    V PUBLICATION|Exercise QUESTION BANK|113 Videos
  • SURFACE CHEMISTRY

    V PUBLICATION|Exercise QUESTION BANK|126 Videos

Similar Questions

Explore conceptually related problems

Sheela observed that after buying a pressure cooker, the cooking time is very much reduced. She asked the teacher about it. Then, what explaination should the teacher give?

At higher altitudes, pressure cooker is used for cooking. Give reason.

Vapour pressure is an important property of liquids . Pressure cooker is used for cooking food at higher altitudes. Give reason.

"Mountaineers on Everest have to use a pressure cooker to boil an egg". Jusity the statement.

Vapour pressure is an important property of liquids. pressure cooker is used for cooking food at higher altitudes. Give reason.

When an automobile travels long distance air pressure in tyres increases slightly. Why?

Explain the method of obtaining pure aluminium from alumina by electrolysis. In this process the carbon rods are replaced from time to time. Why?

V PUBLICATION-SOLUTIONS-QUESTION BANK
  1. The molal b.pconstant '(fKh)' for water is '0.513^circ C' kgmol". When...

    Text Solution

    |

  2. The Iatent heat of vapourisation of water is 9700 cal 'l' mol and if t...

    Text Solution

    |

  3. Át high altifudes, the boiling point of water gets lowered because

    Text Solution

    |

  4. When a solution is separated from a solvent by a semi permeable membra...

    Text Solution

    |

  5. Which inorganic precipitate acts as a semipermeáble membrane?

    Text Solution

    |

  6. Osmotic pressure is measured quickiy and accurately by

    Text Solution

    |

  7. Acetic acid undergoes dịmerisation in benzene solution, the van't Hoff...

    Text Solution

    |

  8. Which of the following salt will have same value of van't Hoff's facto...

    Text Solution

    |

  9. Which of the following 0.1 M aqueous SOLUTIONS will have the lowest fr...

    Text Solution

    |

  10. An ideal solütion was formed by mixing methanol and ethanol at '25^cir...

    Text Solution

    |

  11. The van' Hoff factor for 0.I M Ba(NO '3', solu- tion is 2.74 . The deg...

    Text Solution

    |

  12. Pressure cooker reduce-cooking time. Why?

    Text Solution

    |

  13. '0.004 M' solution of 'Na2 SO4' is isotonic with '0.01 M' solution of ...

    Text Solution

    |

  14. 6.02 x 10^21' molecules of urea are present in 100 'mL' of its solutio...

    Text Solution

    |

  15. The elevation in boiling point of a solution of '13.44 g' of 'CuCl2' i...

    Text Solution

    |

  16. Camphor is often used in molecular mass determination because

    Text Solution

    |

  17. Phenol dimerises in benzene having'van't Hoff factor '0.54 .' What is ...

    Text Solution

    |

  18. An'X' molal solution of a compound in benzene has mole fraction of sol...

    Text Solution

    |

  19. An aqueous solution freezes at '-0.186^circ C(Kf=1.86 & Kb=0.512^circ)...

    Text Solution

    |

  20. An aqueous solution of '6.3 g' oxalic acid dehydrate is made up to 250...

    Text Solution

    |