Question

Answer the following in one sentence each :

[3M]

i) What are soaps? Why soaps does not form lather in hard

water?​

Answer 1

Answer:

Explanation:

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Answer 2

Answer:

When hard water is treated with soap solution, Ca2+and Mg2+ ions present in hard water react with the anions of fatty acids present in the soap to form a scum (curdy white precipitate). Soap will not produce a lather with hard water until all the calcium and magnesium ions have been precipitated as stearates