for any physical state the temperature remains constant during the change of state
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Yes. It's true.
E.g. Ice at 0 degree Celsius remains at 0 degree Celsius until whole ice converted into liquid water.
E.g. Ice at 0 degree Celsius remains at 0 degree Celsius until whole ice converted into liquid water.
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Imagine if you are starting with Ice
Firstly you have to give a particular temperature to it .
Then It starts melting , step by step . At a particular temperature it completely changes in to water . The heat energy you have provided to it till then is used for increasing its potential energy only . But after it have a particular energy ,it starts to be using for increasing its kinetic energy . Then change of state takes place. Similarly after it completely became water the energy we supplied is used increase its temperature .At 100 degree Celsius it starts to change in to gaseous state without changing temperature .
Firstly you have to give a particular temperature to it .
Then It starts melting , step by step . At a particular temperature it completely changes in to water . The heat energy you have provided to it till then is used for increasing its potential energy only . But after it have a particular energy ,it starts to be using for increasing its kinetic energy . Then change of state takes place. Similarly after it completely became water the energy we supplied is used increase its temperature .At 100 degree Celsius it starts to change in to gaseous state without changing temperature .
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