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प्रश्न
Conversion of solid state to liquid state is called fusion; what is meant by latent heat of fusion?
उत्तर
Latent heat of fusion is the amount of heat required to change 1 kg solid into liquid at atmospheric pressure at its melting point.
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संबंधित प्रश्न
Explain the term Melting.
Describe an experiment to demonstrate that a substance absorbs heat during melting without change in its temperature.
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?
The fixed temperature at which matter changes state from solid to liquid is called ______.
What are the changes of state in water? Explain.
What is melting? Give example.
In an endothermic process, the speed of the molecules is ______ hence they move faster.
______ is the changing of a liquid into its solid state and it happens by cooling.
A change of state is a change of a substance from ______.
Define the following:
Melting or fusion:
