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प्रश्न
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.
पर्याय
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उत्तर
Since ice and water are in equilibrium, the temperature would be zero. When we heat the mixture, ‘energy supplied is utilised in melting the ice and the temperature does not change till the ice melts because of latent heat of fusion. On further heating the temperature of the water would increase. Therefore (d) is the correct option.
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संबंधित प्रश्न
The temperature at which a solid convert into a liquid is called its .........
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?
State the melting point of ice.
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What are the changes of state in water? Explain.
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.
The solid, liquid, and phases of water can coexist in equilibrium at ______.
Define latent heat of fusion?
