Question

An electric kettle takes 20 minutes to
heat a certain quantity of water from 0°C
to its boiling point. It requires 90 minutes
to turn all the water at 100°C into steam.
Find the latent heat of vaporisation,
(Specific heat of water = 1cal/g°C)
[Ans: 450 cal/g]​

Answer 1

Answer:

sorry cant understand ur question