Science

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

Carbon

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Answer

Hardness of water is due to the presence of calcium and magnesium salts. When soap molecules react with these salts, they form a precipitate which appears as a floating off-white layer over water and is called as scum.

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Science

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

Carbon

Answer

Related Questions

What change will you observe if you test soap with litmus paper (red and blue)?

Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents, such as ethanol also?

What is hydrogenation? What is its industrial application?

Why are carbon and its compounds used as fuels for most applications?