WAEC - Physics (1988 - No. 17)
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?
steam is at a higher temperature than boiling water
steam posses greater heat energy per unit-mass than boiling water
steam spreads more easily over a wider area of the skin than boiling water
steam panetrates more easily over a wider area of the skin than boiling water
the specific latent heat of vaporization is released in changing from boiling water to steam