Soap and detergents remove the dirt from clothes due to__________?
Correct answer: C. Lowering of interfacial tension
- A. Osmosis
- B. Capillary action
- C. Lowering of interfacial tension
- D. Diffusion
Explanation
Soap and detergents lower the interfacial tension between water, fabric, and oily dirt, allowing water to wet the cloth and surround grease particles. Their molecules then keep the loosened dirt suspended in water.
Last updated