Home
Class 8
CHEMISTRY
When two substance A and B of same mass ...

When two substance A and B of same mass are heated under similar conditions number of free surfaces have been found to reduce to zero from one. If A maintains constancy in the temperature for a longer time than B during heating , then

A

latent heat of fusion of A is more than that of B

B

latent heat of vaporization of A is more than that ofB

C

latent heat of fusion of B is more than that of A

D

latent heat of vaporization of B is more than that of A

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WATER, SOLUTION, SOLUBILITY AND HYDROGEN

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 2)|24 Videos

  • WATER, SOLUTION, SOLUBILITY AND HYDROGEN

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 3)|10 Videos

  • WATER, SOLUTION, SOLUBILITY AND HYDROGEN

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 1) |1 Videos

  • SYNTHETIC FIBRES AND PLASTICS

    PEARSON IIT JEE FOUNDATION|Exercise COMPETITION CORNER (Choose the correct option)|53 Videos

Similar Questions

Explore conceptually related problems

Two substances A and B of equal mass m are heated by uniform rate of 6 "cal"s^(-1) under similar conditions. A graph between temperature and time is shown in figure. Ratio of heat absorbed H_(A) //H_(B) by them during complete fusion :-

Two different metal bodies A and B of equal mass are heated at a uniform rate under similar conditions. The variation of temperature of the bodies is graphically represented as shown in the figure. The ratio of specific heat capacities is :

There are two spherical balls A and B of the same material with same surface, but the diameter of A is half that of B . If A and B are heated to the same temperature and then allowed to cool, then

A and B are two bodies. The temperature of A is greater than that of B. The heat will flow from:

When two substances A and B are mixed together in a pestel and mortar, a large amount of heat is evolved and a new substance C is formed. C has the properties different from A and B. Is C an element, compound or a mixture?

PEARSON IIT JEE FOUNDATION-WATER, SOLUTION, SOLUBILITY AND HYDROGEN-CONCEPT APPLICATION (LEVEL 1) (MULTIPLE CHOICE QUESTIONS)
  1. Anhydride of sulphurous acid is

    Text Solution

    |

  2. Which of the following compounds is not associated with water molecule...

    Text Solution

    |

  3. When two substance A and B of same mass are heated under similar condi...

    Text Solution

    |

  4. The specific heat capacity of water is

    Text Solution

    |

  5. In the given graph, identify the substance associated with the highest...

    Text Solution

    |

  6. Reaction: Non-metal + H2 A A+PbOtoPb- Non-metal If A formed in th...

    Text Solution

    |

  7. Identify the binary solution among the following .

    Text Solution

    |

  8. Hydrogen acts as an oxidizing agent when it

    Text Solution

    |

  9. Tyndal effect cannot be shown by

    Text Solution

    |

  10. Sodium catches fire and burns with a

    Text Solution

    |

  11. Which of the following metals on reaction with steam provides a coatin...

    Text Solution

    |

  12. The brown coloured substance formed when steam is passed over red hot ...

    Text Solution

    |

  13. Which among the following metals react only with steam ?

    Text Solution

    |

  14. Crystals can be made

    Text Solution

    |

  15. Washing soda is an example of a/an substance .

    Text Solution

    |

  16. Which among the following substance acts as a desiccating agent ?

    Text Solution

    |

  17. Which of the following metals is unsuitable for the preparation of hyd...

    Text Solution

    |

  18. The reaction between perfectly dry hydrogen and chlorine take place in...

    Text Solution

    |

  19. Which of the following metals on treatment with concentrated alkali gi...

    Text Solution

    |

  20. Arrange the chemicals in sequence for the removal of impurities H2S, S...

    Text Solution

    |