Science, asked by shinchan142, 10 months ago

Explain the formation of scum when hard water is treated with soap. ​

Answers

Answered by Srimantamali
2

Explanation:

Soap does not give foam easily with hard water.Hard water contains calcium and magnesium salts. soaps first reacts with calcium ions and magnesium ions to form insoluble precipitates of calcium and magnesium salt of fatty acid.

Answered by monjyotiboro
4

Answer:

Hard water contains salts of potassium and magnesium .These salts prevents the formation of micelles but it produces some insoluble substance called scum...........brainliest please ☺☺☺

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