Question

Which of the following is not a method of removing impurities from a colloidal sol?

• A. Electrodialysis
• B. Ultrafiltration
• C. Ultra centrifugation
• D. Distillation

Answer 1

The correct option is D Distillation

• The process used for reducing the amount of impurities to a requisite
  

minimum is known as purification of the colloidal solution.

Various methods of removing impurities from a colloidal sol are-

• Dialysis
• Electrodialysis
• Ultrafiltration
• Ultracentrifugation
• Distillation is the process used to separate two miscible liquids having various boiling points.