Which among the following substances has the greatest specific heat?
A
Iron
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B
Water
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C
Copper
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D
Mercury
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Solution
The correct option is B Water The correct answer is option(B).
Think of heating a pot of soup on the stove and stirring it with a metal spoon. If you leave the spoon sitting in the pot for even a few minutes and you return, the spoon will be hot enough to burn your hands - and the soup will feel only slightly warmer. This happens because the specific heat capacity of the metal spoon is much lower than that of the water in the soup. Water has the highest specific heat capacity of any liquid.