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in Chemistry by (56.2k points)

If water contains dissolved Ca2+ ions, out of soaps and synthetic detergents, which will you use for cleaning clothes ?

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As the water contain Ca2+ ions, therefore it is hard water. Hence synthetic detergents are preferred over the soaps for cleaning the clothes because calcium salts of detergents are soluble in water while calcium salts of soap are insoluble. As a result, lot of soap is wasted.

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