WAEC - Chemistry (2022 - No. 3)
The cleansing effect of soap is low in acidic water because of
the formation of unionized fatty acid.
increase in the pH of the soap molecules.
anti-biodegradable effect of hydrogen ions
the hardness of the acidic water.
Explanation
Soaps cannot be used in acidic condition because they lose their cleansing effect due to the formation of long chain fatty acids
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