Chemistry · Surface Chemistry
When soap is added to water during cleaning, its molecules interact with both water and oily dirt. Which mechanism best explains the cleansing action of soap in water?
- 1Conversion of hard water into soft water
- 2Formation of micelles that trap oily dirt in their hydrocarbon tails✓
- 3Reduction of surface tension only
- 4Formation of insoluble precipitates with all salts in water
Correct answer
Formation of micelles that trap oily dirt in their hydrocarbon tails
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