newone1094 newone1094

03-08-2021
Geography

contestada

Cold water of the same source forms lather hardly with soap. Why?

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sashabelle sashabelle

03-08-2021

Answer:

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Explanation:

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sandralain sandralain

03-08-2021

hardness of water is due to calcium and magnesium ions. when soap is added to hard water, calcium and magnesium ions replaces sodium (or potassium) ions in the salt (soap) and gets precipitated hence lather formation is hindered.

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