Which of the following processes is done to make the soap transparent?
Correct answer: B. The soap is dissolved in alcohol and then the alcohol is evaporated out.
- A. Glycerol and gum are added to the soap.
- B. The soap is dissolved in alcohol and then the alcohol is evaporated out.
- C. Glycerine is added to the alcoholic solution of soap.
- D. A saturated solution of sodium chloride is added to the soap.
Explanation
To make the soap transparent firstly soap crystals are processed with solvents like glycerine, alcohol and sugar to dissolve, that allowing light to pass through it, then further the solvent is evaporated by heating the solution therefore soap becomes transparent.
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