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When glass of water is freezed, formatio...

When glass of water is freezed, formation of ice starts from the top layer but melting of ice starts from the bottom. Justify.

Text Solution

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(i) movement of water when water undergoes freezing
(ii) effect of pressure on the melting point of ice
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Knowledge Check

  • When lake starts breezing the formation of ice will start first at the

    A
    bottom
    B
    middle
    C
    top
    D
    None of these

  • The formation of ice from water is accompained by

    A
    absorption of energy as heat.
    B
    temperature increase.
    C
    decrease in volume.
    D
    an evolution of heat.

  • When water freezes into ice

    A
    temperature increases
    B
    temperature decreases
    C
    heat is absorbed
    D
    heat is released

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