Textile Engineering > GATE 2018 > Textile Wet Processing
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
[a]: As the concentration of a surfactant in water increases, the surface tension of water initially decreases and then becomes constant.
[r]: After reaching the Critical Micelle Concentration, additional surfactant molecules do not further reduce the surface tension.
[a]: As the concentration of a surfactant in water increases, the surface tension of water initially decreases and then becomes constant.
[r]: After reaching the Critical Micelle Concentration, additional surfactant molecules do not further reduce the surface tension.
Correct : a
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