Properties Of Solids And Liquids Question 10
Question: Assertion : Latent heat of fusion of ice is 336000 J kg?1. Reason : Latent heat refers to change of state without any change in temperature
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: B
Solution:
The Latent heat of fusion of ice is amount of heat required to convert unit mass of ice at 0°C into water at 0°C.
For fusion of ice $ L=80cal/gm=80000cal/gm=8000\times 4.2J/kg $
$ =336000J/kg $ .
