Hard water contains calcium and magnesium which undergo oxidation and clog water pipes. Which statement best describes this change as a chemical change?

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asked Dec 9, 2017 73.0k views

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Thomas Hutton · Answer 1 · 2017-12-13T06:03:22+0000

A chemical change happened in this phenomenon because calcium and magnesium are oxidized and are deposited in the pipes. These deposits are new substances. A chemical change is characterized by the formation of new substances where the substances have a whole new properties.

Hard water contains calcium and magnesium which undergo oxidation and clog water pipes. Which statement best describes this change as a chemical change?

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