The specific latent heat of fusion of lead is the amount of heat required to
A.
melt lead at its melting point
B.
heat a unit mass of lead through 1oC
C.
change the state of a unit mass of lead at its melting point
D.
change the state of a unit mass of lead at its boiling point
Correct Answer: Option C
Explanation
Specific latent heat of fusion of lead is the amount of heat energy required to change the state of 1 kg (unit mass) of solid lead into liquid lead at its melting point, without any change in temperature.
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