Question

after reaching boiling point, the temperature does not rise until the whole water is vaporised.why??????????

Answer 1

AFTER REACHING BOILING POINT WATER  DOESNT TEMP RISE....AS PARITCLES OF LIQUIDS ARE HOWEVER CLOSE...THE HEAT MAKE THE PARTICLES FAR FROM EACH OTHER...[AS IN GASES PARTICLES ARE FAR] HENCE IT IS EVAPORATES.

Answer 2

after reaching boiling point the temperature doesn't change because the water turns into gaseous form and evaporates