Which of the following enhances leathering property of soap
a. Sodium carbonate
b. Sodium rosinate
c. Sodium stearate
d. Trisodium phosphate
Ans. b
Explanation : Shaving soaps containn glycerol to prevent rapid drying while preparing this soap a gum called rosin is added to them It forms sodium rosinate which lathers well. Laundary soaps contain fillers like sodium rosinate sodium silicate borax and sodium carbonate.
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