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SAT, 29.11.2021 21:10 GreenHerbz206

Hard water, which contains mg2+ and ca2+ ions, tends to form a ring in a bathtub due to its reaction with the soluble anions in soap. The formation of this insoluble material is an example of.

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Hard water, which contains mg2+ and ca2+ ions, tends to form a ring in a bathtub due to its reaction...

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