A. the formation of unionized fatty acid.
B. increase in the pH of the soap molecules.
C. anti-biodegradable effect of hydrogen ions
D. the hardness of the acidic water.
Correct Answer:
Option A – the formation of unionized fatty acid.
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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![A quantity of hot water at 100ºC is added to 400g of water at 10ºC until the temperature of the mixture is 60ºC. Calculate the mass of the hot water added. [Specific heat capacity of water =4200JKg-1 K-1]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A quantity of hot water at 100ºC is added to 400g of water at 10ºC until the temperature of the mixture is 60ºC. Calculate the mass of the hot water added. [Specific heat capacity of water =4200JKg-1 K-1]")