Physics
What happens when salt is added to ice?
Matter
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Answer
When we add salt to ice, the ice starts melting faster because salt mixes with the thin layer of water present on the surface of the ice and makes it harder for the water to freeze again. As a result, the ice melts even if the temperature is below it's freezing point. This is why people put salt on icy roads in cold countries — it helps melt the ice and makes the roads less slippery.
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