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Why is heat energy needed to melt a soli...

Why is heat energy needed to melt a solid ? What is this heat energy called ?

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Knowledge Check

  • Heat energy of an object is

    A
    the average energy of the molecules of the object
    B
    the total energy of the molecules of the object
    C
    the average velocity of the molecules of the object
    D
    the average potential energy of the molecules of the object

  • Heat energy of an object is

    A
    the average energy of the molecules of the object
    B
    the total energy of the molecules of the object ?
    C
    the average velocity of the molecules of the object
    D
    the average potential energy of the molecules of the object

  • Heat energy of an object is

    A
    the averge energy of the molecules of the object
    B
    the total energy of the molecules of the object
    C
    the average velocity of the molecules of the object
    D
    the average potential energy of the molecules of the object

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    Why is the energy in coal called as chemical energy ?

    Why is the energy in coal called as chemical energy ?

    What happens to the heat energy supplied to a solid once it starts melting ?

    Heat is kinetic energy of molecule

    During transition of solid phase to liquid, the object absorbs heat energy, but its temperature does not increase. This heat energy is utilised for ........... .

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