Why does hard water not form lather with soap?
Why does hard water not form lather with soap?
This is a short answer type question as classified in NCERT Exemplar
With soap, hard water generates scum/precipitate. Soap containing sodium stearate (C117H35COONa) interacts with hard water to form calcium and magnesium stearate (Ca/Mg stearate). As a result, it is unsuitable for laundering. Becaus
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Chemistry NCERT Exemplar Solutions Class 11th Chapter Nine 2025
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