Q.

Steam at 100°C causes more severe burns than water at 100° C because –

A. steam has no specific heat capacity
B. steam has latent heat of vaporization
C. water has no specific heat capacity
D. water has latent heat of fusion
Answer» B. steam has latent heat of vaporization
Explanation: It is because steam releases its latent heat as it condenses, which is substantial. The heat of vaporization of steam is over 2000 J per gram. And when it releases that it's then 100 degree water, the same as boiling water.
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