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Sodium lauryl sulphate forms insoluvle scum in water |
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Answer» 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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