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Water as ice has a cooling effect, where...

Water as ice has a cooling effect, whereas water as steam may cause severe burns. Explain these observations.

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When ice melts , it absorbs the energy equal to the latent heat of fusion from the surrounding, therefore causes cooling effect. But stream releases the extra heat (equal to the latent heat of vaporisation ) which it has absorbed when water was converted into steam. So, steam produces severe burn.
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