Why common salt is added in soap making?
Solution
During the process of Saponification, the soap formed remains in suspension form (colloid). So, to convert the suspended soap into solid form, common salt is added to the mixture so that the soap precipitates. This process is called 'Salting out of soap.
During the process of Saponification, the soap formed remains in suspension form (colloid). So, to convert the suspended soap into solid form, common salt is added to the mixture so that the soap precipitates. This process is called 'Salting out of soap.