Question

Water is bad conductor of heat but we can boil water. Explain how?​

Answer 1

Answer:

if any given part of the liquid being far from the wall is to boil the heat must flow to it, but it can only flow from the other parts of the liquid having if they have higher temperature than this part, which is not possible - a liquid cannot have a higher temperature than a boiling temperature for a given pressure

Explanation:

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Answer 2

Explanation:

• Fill the test-tube halfway with plain water as well as dip a piece of wax there after wrapping it in the wire.
• Then, while holding the test tube inside an appropriate position while heating the water as in the upper portion of the tube, we will notice that the wax does not melt, even though the upper portion of the water begins to boil.
• As a result, we can deduce that water, as heat conduction, would be unable to melt the wax.