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    Physical Science
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    Exam 11: Water and Solutions
  5. Question
    Water Containing Large Amounts of Mg<sup>2+</sup> and Ca<sup>2+</sup>ions Is Said
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Water Containing Large Amounts of Mg2+ and Ca2+ions Is Said

Question 10

Question 10

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Water containing large amounts of Mg2+ and Ca2+ions is said to be hard because it is hard to make soap lather in the water.

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