We are all cognizant of the fact that 65% of our bodies and 75% of earth is composed of water and also are familiar to some of its properties yet it stands out to be intensely mysterious. Several of its properties are so strange that even to this day they elude scientific apprehension.
• Mpemba Effect: A logical being might presume that hot water would take longer time to drop down to 0 degree centigrade and freeze than the one at room temperature or cold water. Surprisingly, it is observed that hot water freezes faster than a cold water when subjected to same subzero environment. No one knows why. …show more content…
They surmise that convection mechanism is somehow accelerating the process of cooling. This effect came to be known as Mpemba effect named after a Tanzanian High School student, Erasto Mpemba, being the first to have noticed this effect. Yet the reason remains unsatisfactory.
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Experts accept that a thin layer of water on the surface of ice is the reason for its slippery nature, however there is no accord on why ice, in contrast to most other solids, has such a