Describe briefly:-
1)Melting point
2) Boiling point
3) Freezing point
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MELTING POINT:-the temperature at which a given solid will melt.it is 0 degree
BOILING POINT:-The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.boiling point of water is 100 degree.
FREEZING POINT:-
the temperature at which a liquid turns into a solid when cooled.freezing point of water is 0 degree.
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BOILING POINT:-The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.boiling point of water is 100 degree.
FREEZING POINT:-
the temperature at which a liquid turns into a solid when cooled.freezing point of water is 0 degree.
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1)Melting point:- The temperature at which a solid melts to become a liquid at the atmospheric pressure is called it's melting point. The process of melting is known as fusion. The MP of ice is 273.16 K or 0°C . Pressure of impurity decreases MP.
2) Boiling point:- The temperature at which a liquid starts boiling at the atmospheric pressure is known as its boiling point. Boiling point of water is 373 K or 100°C. Presence of impurity increases BP.
3)The temperature at which a liquid freezes to solid is known as freezing point. For water it is 0°C. Presence of impurity increases FP.
2) Boiling point:- The temperature at which a liquid starts boiling at the atmospheric pressure is known as its boiling point. Boiling point of water is 373 K or 100°C. Presence of impurity increases BP.
3)The temperature at which a liquid freezes to solid is known as freezing point. For water it is 0°C. Presence of impurity increases FP.
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