Question

how do we come to know that the water at 0°C is solid,25°C is liquid and 100°C is gas??


20 points.......

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Answer 1

Water at 0 degree Celsius to be solid:

Solid possess certain properties such as rigidity, definite shape and boundary, molecules are compactly packed. Ice should be called as solid as it possess all these properties.

Water at 25 degree Celsius to be liquid:

Liquid possesses certain properties such as they can flow easily, molecules are loosely packed, they do not have definite shape. Water at 25 degree Celsius should be called as liquid as it possess all these properties.

Water at 100 degree Celsius to be gas:

Gas possesses certain properties such as free movement of molecules, they not have definite shape and are packed loosely as compared to liquid. Water at 100 degree Celsius possesses all these properties so it should be called as gas.

Answer 2

$\huge{\mathfrak\color{blue}{HEY\:FRIEND}}$

$\color{brown}{HERE\:IS\:YR\:ANS}$

$\underline\color{Green}{STATE\:DEFINE}$

WHEN WE CHANGE THE STATE OF ANYTHING THAT CAN TAKE IN SOME PROPERTY


0C :- THE OBJECT IN SOLID STATE
IT IS RIGIDITY
IT IS SO HARD
WE CAN LIFT IT BY TOUCHING IT


25C:-THE OBJECT IS IN LIQUID STATE
IT IS FLUDE
IT IS NOT SO HARD
WE CAN LIFT IT BY PUTTING INTO A CONTAINER


100C=>IT IS GAS

IT IS NOT HARD
WE CAN'T CATCH IT
WE CAN LIFT IT BY PUTTING INTO A PACKED CONTAINER




$\fbox{HOPE\:IT\:HELPS}$


$\huge{\mathfrak{THANKS}}$



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