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Why Salt Melts Ice

Salt is spread on icy roads and sidewalks every winter—but why does it work? This video explains the simple chemistry behind salt and ice, showing how adding salt lowers water’s freezing point and disrupts ice formation. You’ll learn what happens at the molecular level, why ice can melt even below 0°C (32°F), and where the limits of salt actually are. This is an everyday process most people use without understanding—until now. If you enjoy clear explanations of how common things actually work, this video breaks it down step by step with no fluff.