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Activity Discussion Science & Technology Chemistry Reply To: Chemistry

  • Soniya

    May 18, 2021 at 11:54 pm
    Not Helpful

    The difference between boiling point and melting point is very wide. To understand this concept let us consider the example of water. As we all know water is found in different phases or states in the nature. In the solid state it is found as Ice, in the liquid state as water and in the gaseous state as steam or water vapour. So how is water able to change it’s phases. It does so with the help of heat. When heat is applied to water it’s heats up and changes from liquid state to gaseous state (steam) or when heat is taken from the liquid state or in other words if it is cooled down, the liquid water changes it’s phase to it’s solid form i.e. ice. So while observing this whole process we should think about a fact that there must be a certain temperature at which the liquid changes to it’s gaseous state.

    This temperature at which a liquid changes into its gaseous form is known as it’s boiling temperature. Different liquids have different boiling point or temperature. For water 100°C is known as the boiling point.

    And similarly every liquid must possess a temperature at which it changes it’s state from liquid to solid phase. Therefore this temperature at which a solid changes it’s phase from solid to liquid is known as the melting point. Similarly like the boiling point, the melting point is also different for different elements. For water the melting point is 0°C.

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