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प्रश्न
State the melting point of ice.
उत्तर
MELTING POINT OF ICE: “Is the constant temperature at which it starts (melting) changing from ice to water.”
It is 0°C for ice.
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संबंधित प्रश्न
The temperature at which a solid convert into a liquid is called its .........
Molecules of a substance are always in a state of............ and so they possess .............
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 ______.
It is a hot summer day, Priyanshi and Ali are wearing cotton and nylon clothes respectively. Who do you think would be more comfortable and why?
In an endothermic process, the speed of the molecules is ______ hence they move faster.
A puddle of water gets pooled around the glass of ice cream or a glass of ice cubes. When it is kept at room temperature. Give reason.
Explain the following effects of heat.
Change in state