What is meant by melting point? How is it different from fusion?
(N/A) The melting point is defined as the temperature at which a solid substance changes its state from solid to liquid at atmospheric pressure.
Fusion is the physical process of a substance changing from a solid state to a liquid state.
In scientific terminology,melting and fusion refer to the exact same process of phase transition from solid to liquid.
Fusion is the physical process of a substance changing from a solid state to a liquid state.
In scientific terminology,melting and fusion refer to the exact same process of phase transition from solid to liquid.
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Give reasons for the following:
$(a)$ Water droplets appear on the outer surface of a tumbler containing ice-cold water.
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$(c)$ On a hot sunny day,people sprinkle water on the roof or open ground.
$(a)$ Water droplets appear on the outer surface of a tumbler containing ice-cold water.
$(b)$ People prefer to wear cotton clothes in summer.
$(c)$ On a hot sunny day,people sprinkle water on the roof or open ground.
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View Solution$(a)$ Enumerate the changes that take place inside the matter during the change of states.
$(b)$ When a solid melts,its temperature remains the same. Give reason.
$(b)$ When a solid melts,its temperature remains the same. Give reason.
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The term $vapor$ describes the gaseous state of a substance that normally exists as a liquid or solid.
The term $vapor$ describes the gaseous state of a substance that normally exists as a liquid or solid.
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