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Question: Answered & Verified by Expert
At what point does soap aid in the removal of oil droplets from a surface?
ChemistrySurface ChemistryNEET
Options:
  • A When the hydrophobic part projects out
  • B When the hydrophilic part is submerged
  • C When the negatively charged sheath forms
  • D When the stearate ions aggregate
Solution:
1422 Upvotes Verified Answer
The correct answer is: When the hydrophobic part projects out
Soap aids in the removal of oil droplets when the hydrophobic part of soap molecules projects out of the oil droplet.

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