CBSE Class 10 Answered
Why sodium chloride is added to the mixture of fat and sodium hydroxide in the formation of soap.
Asked by | 15 Mar, 2013, 04:56: PM
Expert Answer
Sodium chloride is added to precipitate the soap. The water layer is drawn off the top of the mixture and the glycerol is recovered using vacuum distillation.
Answered by | 16 Mar, 2013, 05:51: AM
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