At what temperature the surface tension of a liquid becomes zero?
Q.2 (i) At what temperature the surface tension of a liquid becomes zero?
Q.2 (i) At what temperature the surface tension of a liquid becomes zero?
Best answer
Answer: At the critical temperature of the liquid.
Surface tension decreases as temperature rises, and at the critical temperature the distinction between the liquid and its vapour disappears, so the surface tension becomes zero.
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