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SESK: Stuff Everyone Should Know · sesk.info/asvab-salt-melts-ice

Why does spreading salt on an icy sidewalk help melt the ice?

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  1. It lowers the freezing point of water
  2. It forms an acid that eats the ice
  3. It breaks apart the water molecules

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References

  1. OpenStax Chemistry 2e, Colligative Properties openstax.org/books/chemistry-2e/pages/11-4-colligative-properties Checked 2026-10-12.

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