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  9. Q139

RRB Group D (Level-1 posts) 2014 · Question 139 of 324

How does common salt help in separating soap from the solution after saponification?

  1. ABy increasing density of soap
  2. BBy decreasing density of soap
  3. CBy decreasing solubility of soapCorrect
  4. DBy decreasing solubility of soap

Answer: C. By decreasing solubility of soap

Official answer key verified. Detailed explanation coming soon.

Source: Railway Group-D Questions – Gorakhpur (16 Nov 2014) · reliable-secondary

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