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Question 30949
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Fluid Mechanics: Surface Tension MCQ

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Surface TensionMediumQuestion 30949

Question

Detergents lower surface tension of water to:
  1. A
    Increase pressure in bubbles
  2. B
    Help water spread and wet oily surfaces
    Correct
  3. C
    Increase capillary rise
  4. D
    Prevent evaporation

Correct answer

Help water spread and wet oily surfaces

Explanation

Detergent molecules reduce surface tension, allowing water to spread over oily surfaces rather than beading up.

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