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(B) Why is Common Salt (Sodium Chloride) Added During the Preparation of Soap? - CBSE Class 10 - Science

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Question

Why is common salt (sodium chloride) added during the preparation of soap?

Solution

Common salt (sodium hydroxide) is added during the preparation of soap to separate the soap from the aqueous solution. On adding common salt, solubility of the soap, present in the solution, decreases. This allows the soap to be taken out from the solution in its solid form.

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APPEARS IN

 Lakhmir Singh Solution for Chemistry for Class 10 (2019 Exam) (2018 to Current)
Chapter 4: Carbon And Its Compounds
Q: 35.2 | Page no. 264

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Solution (B) Why is Common Salt (Sodium Chloride) Added During the Preparation of Soap? Concept: Soaps and Detergents.
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