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COMEDK · Physics · 11. Mechanical Properties of Fluids

With the addition of impurities, surface tension of a liquid

  1. A increases
  2. B decreases
  3. C remains constant
  4. D may increase or decrease depending on impurities
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Correct Answer

(D) may increase or decrease depending on impurities

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Detailed explanation

The addition of impurities in a liquid may increase or decrease the surface tension of liquid depending on the nature of impurities. If the impurities are highly soluble in liquid, then it will increase the surface tension. But if it is less soluble in liquid, then it will…