(A) Interfacial tension
(B) Diffusion
(C) Capillary action
(D) None of these
🧠 Explanation:
Capillary action helps remove dirt from clothes by letting water and detergent move through fabric fibers. In Pakistan, it’s studied in chemistry for daily applications. It’s important because it makes washing effective, used in households and textile industries to keep clothes clean and maintain quality.
