how does soap react to water in practical
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Calcium and magnesium hydrogen carbonates, chlorides and sulphates in water render it hard. When soap is added to hard water, it does not form lather. The calcium and magnesium salts in hard water react with soap and form scum, which is insoluble and floats on top of water.
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Calcium and magnesium hydrogen carbonates, chlorides and sulphates in water render it hard. When soap is added to hard water, it does not form lather. The calcium and magnesium salts in hard water react with soap and form scum, which is insoluble and floats on top of water
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