What change will you observe if you test soap with litmus paper (red a – InterviewSolution

1.	What change will you observe if you test soap with litmus paper (red and blue)?
Answer» Soap is a salt of a strong base (NaOH or KOH) and a weak acid (carboxylic acid). So, its aqueous solution is basic in nature. Hence, an aqueous solution of soap will turn red litmus paper blue.

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