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Difference between hard water and cold water ?
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Jul 13, 2022
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Difference between hard water and cold water ?
Chemistry
high-school
JoannaFalkowska
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The hardness of water is determined primarily by the amount of calcium and magnesium it contains. ... Instead of having higher levels of calcium and magnesium, soft water tends to have higher concentrations of sodium, or salt.
AoifeL
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Jul 18, 2022
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