Question

Steam at ${100}^{\circ }C$ causes more severe burns than water at the same temperature because

• A. steam is expensive
• B. steam cannot do work
• C. steam can provide greater amount of heat due to its additional latent heat of condensation
• D. steam is highly combustible

Answer 1

The correct option is C steam can provide greater amount of heat due to its additional latent heat of condensation

Steam will produce more severe burns than boiling of water because steam has more heat energy than water due to its latent heat of vaporisation and additionally latent heat of condensation. Steam and boiling water can exist at varing temperature but it is only correct to assume here that both are at same temperature.