If soap has high alkali content it'irritates skin. How can the amount of excess alkali be determined? What can be the source of excess alkali?
If soap has high alkali content it'irritates skin. How can the amount of excess alkali be determined? What can be the source of excess alkali?
This is a short answer type question as classified in NCERT Exemplar
Acid-base titration can be used to determine the excess amount of alkali in soap. The excess alkali left after hydrolysis of oils or fats can be the source of alkalinity in soap.
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