NDA2010General AbilityGeneral ScienceActual
By which one among the following mechanism, soap removes dirt (soil) from cloth?
Options
- ASoap dissolves the soil as such
- BSoap reacts with soil and converts them into soluble silicates
- CSoap takes away the oily part of the soil and thus separates the soil from the cloth
- DThe soap molecules bind with the soil, lift the soil and keep it suspended which can then be rinsed away
Correct answer
C. Soap takes away the oily part of the soil and thus separates the soil from the cloth
Step-by-step solution
The correct answer is option (C).