Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryHousehold, Food & Material Chemistry
Soap and detergents remove dirt from clothes due to ?
- A.Lowering of inter-facial tensionCorrect answer
- B.High solubility in water
- C.Oxidation of dirt particles
- D.Formation of alkaline solution
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Practice these MCQs in the appQuick fact: Soap and detergents remove dirt by lowering the inter-facial tension between water and oily dirt, allowing the dirt to be emulsified and washed away.