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Which of the following peptizing agents is frequently used for the preparation of colloidal sols of metals like gold and silver?
Option: 1
Ethanol
Option: 2
Acetic Acid
Option: 3
Hydrogen Chloride
Option: 4
Sodium Citrate
Answers (1)
Sodium citrate forms a protective layer around the metal particles, preventing their aggregation and providing stability to the colloidal sol.
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