Anonymous asked in Science & MathematicsEarth Sciences & Geology · 1 decade ago

Is Sea Water (Salt Water) Hard or Soft???

4 Answers

  • 1 decade ago
    Favorite Answer

    According to Wikipedia, what makes water hard is the presence of minerals. Salt water has NaCl or sodium chloride. To test for hardness, do the lather/soap test--soap easily lathers up in soft water while in hard water, it won't. With salt water, it is difficult to lather up with soap. :)

  • Basically sea water is considered to be a hard water....

  • Anonymous
    1 decade ago

    sea water is hard because it has salt contents in it.

  • 1 decade ago

    soft, as soft as other water

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