जलशुद्धीकरणात कोणती प्रक्रिया वापरली जाते? A. परासरण B. व्युत्क्रमी परासरण C. पेशीविघटन D. स्फीती दाब

Reverse osmosis pushes water through a semi-permeable membrane against the concentration gradient, leaving salts and impurities behind; it is widely used to purify drinking water.