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The surface tension of ___________ at critical temperature.(a) one(b) zero(c) two(d) threeThis question was addressed to me in a job interview.This is a very interesting question from States of Matter topic in section States of Matter of Chemistry – Class 11

Answer»

Correct answer is (b) ZERO

To explain I would SAY: The SURFACE tension in liquids decreases with RISE in temperature. As surface tension decreases, molecules become more active when temperature increases and surface tension becomes zero at critical temperature TC.



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