Physics WAEC

Which of the following best explains a person suffers more severe burns when his skin is exposed to steam than when boiling water is poured onto his skin?

A. steam is at a higher temperature than boiling water
B. steam posses greater heat energy per unit-mass than boiling water
C. steam spreads more easily over a wider area of the skin than boiling water
D. steam penetrates more easily over a wider area of the skin than boiling water
E. the specific latent heat of vaporization is released in changing from boiling water to steam

Correct Answer:

Option B – steam posses greater heat energy per unit-mass than boiling water

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