Detergents give scum with hard water true or false
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Answered by
7
Answer:
the above statement is true.
Answered by
1
Explanation:
hard water contains calcium and magnesium and soap is basically sodium or potassium salt of higher fatty acids when soap is added to hard water corresponding calcium and magnesium salts are formed which being in soluble that dissipated this precipitated second is come reaction taking place
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