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प्रश्न
Explain the term Melting Point.
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उत्तर
It can be defined as the fixed temperature at which a solid start changing to its liquid state is Melting Point
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संबंधित प्रश्न
Molecules of a substance are always in a state of............ and so they possess .............
Differentiate between melting point ,giving atleast one example of each.
What are the changes of state in water? Explain.
Analogy:
Melting: ice into water on heating,
freezing: _______.
A student heats a beaker containing ice and water. He measures the temperature of the content of the beaker as a function of time. Which of the following (Fig. 1.1) would correctly represent the result? Justify your choice.
Water as ice has a cooling effect, whereas water as steam may cause severe burns. Explain these observations.
A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature < 0°C). If you could measure the temperature of the content of the tumbler, which of the following graphs (Fig.1.2) would correctly represent the change in its temperature as a function of time.
Sweating causes cooling because water has a ______.
The solid, liquid, and phases of water can coexist in equilibrium at ______.
Define latent heat of fusion?
