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Question
Explain the term Melting.
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Solution
The physical process that results in the transition of a substance from the solid-state to the liquid state on heating at a fixed temperature is called Melting.
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RELATED QUESTIONS
Differentiate between melting point ,giving atleast one example of each.
Some ice is taken in a beaker and its temperature is recorded after each one minute. The observations are listed below
| Time (in minute) | Temperature (in °C) |
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 3.8 |
| 7 | 7.6 |
| 8 | 11.4 |
From the above observations, what conclusion do you draw about the melting point of ice?
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.
Conversion of solid state to liquid state is called fusion; what is meant by latent heat of fusion?
The solid, liquid, and phases of water can coexist in equilibrium at ______.
Define the following:
Melting or fusion:
