Question

Neha was getting late for her school,the milk which she had to drink was
Very hot. Her father who was standing nearby poured the milk in the open
Wide vessel and kept it under the fan.
a) As a science student why do you think Neha’s father poured the milk into the wide vessel.
b) Write two difference between evaporation and boiling. c) Write two values depicted by Neha’s father

Answer 1

a)As because evaporation is a surface process,which works under this condition also ,As keeping the milk in a vessel containing wider area causes milk to get cool fastly.

Answer 2

(a) he poured milk to increase the surface area of milk so that it gets on normal temp. fast
(b)evaporation starts after water or any liquid reaches its boiling point.
     boiling starts at 100 degree Celsius which is also known as boiling points           for some liquods
     evaporation is a surface phenomenon
     boiling is a mass phenomenon
(c)caring
     smart