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Why soap form scum? How this problem is overcome by use of detergent? |
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Answer» Because the detergent molecules prevents theFormation of insoluble products & thus clothes get cleaned In hard water soap forms scumHard water contains calcium and magnesium ions,soap first reacts with calcium ions to form calcium stearate and then magnesium stereate..which is called scum...Detergents cleansng action is different from soap hence it don\'t forms such scum.. |
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