Steam causes severe bums than boiling water. It is due to
Correct answer: B. High latent heat of vaporization
- A. Absence of hydrogen bonding
- B. High latent heat of vaporization
- C. Freely moving molecules
- D. Statement is incorrect
Explanation
Steam has more warmth and vitality than water. Due to its dormant warmth of vaporization, it will produce more burn than boiling water. Steam contains the heat energy of boiling water as well as the latent heat of vaporization
This question appeared on the ETEA MDCAT 2019 paper, which you can sit online with every answer explained.
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About Evaporation, Boiling Point and Vapour Pressure
Evaporation is the escape of higher-energy molecules from a liquid surface, while vapour pressure is the pressure exerted by vapour in equilibrium with that liquid. The topic distinguishes evaporation from boiling and relates both to temperature, intermolecular forces, surface area, atmospheric pressure and the boiling point.
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