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State the disadvantage of washing in hard water using soaps |
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/ter-659737" style="font-weight:bold;" target="_blank" title="Click to know more about TER">TER</a> because of high mineral content reacts with soap to form Soap Scum. ... In this reaction, the sodium ion in soap is replaced by calcium ions. Such soaps are ineffective in <a href="https://interviewquestions.tuteehub.com/tag/washing-733498" style="font-weight:bold;" target="_blank" title="Click to know more about WASHING">WASHING</a> hair , <a href="https://interviewquestions.tuteehub.com/tag/clothes-919776" style="font-weight:bold;" target="_blank" title="Click to know more about CLOTHES">CLOTHES</a> and dishes . Thus <a href="https://interviewquestions.tuteehub.com/tag/hard-1015537" style="font-weight:bold;" target="_blank" title="Click to know more about HARD">HARD</a> <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> needs large amounts of soap to form a lather.</body></html> | |