Differentiate between soap and detergent. Explain why, soap form scum with hard water whereas detergents do not.
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The fundamental difference between soaps and detergents is that soaps are produced from natural ingredients, while detergents are made from synthetic sources. 2. Soap are made from fat and alkali by specification method. ... Soaps don't produce lather with hard water and are not able to clean the clothThis 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. ... The new substance, scum, does not dissolve in water.
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