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प्रश्न
Molecules of a substance are always in a state of............ and so they possess .............
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उत्तर
Molecules of a substance are always in a state of motion and so they possess kinetic energy.
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संबंधित प्रश्न
The temperature at which a solid convert into a liquid is called its .........
Explain the term Melting.
What are the changes of state in water? Explain.
Analogy:
Melting: ice into water on heating,
freezing: _______.
What is melting? Give example.
Water as ice has a cooling effect, whereas water as steam may cause severe burns. Explain these observations.
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 the following:
Melting or fusion:
