Explain the formation of scum when hard water is treated with soap?
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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. Detergents do not form scum.
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3
Answer:
When a soap is used in hard water , a solid substance we call scum forms. This is BcZ 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 . Detergents do not form Scum.
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