Question

explain the formation of scum​

Answer 1

Answer:

When a soap is used in hard water, a solid substance we call scum forms. This is because charged calcium and magnesium particles (called ions ) present in the water react with soap to form an insoluble substance. Scum builds up on clothes, baths and sinks. ... The new substance, scum, does not dissolve in water.

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Answer 2

When a soap is used in hard water, a solid substance we call scum forms. This is because charged calcium and magnesium particles (called ions ) present in the water react with soap to form an insoluble substance. Scum builds up on clothes, baths and sinks. ... The new substance, scum, does not dissolve in water.

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