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Question
Why are lyophobic sols called irreversible sols?
Very Short Answer
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Solution
Lyophobic sols are called irreversible sols because once coagulated or precipitated (by adding electrolytes, heating, or agitation), the dispersed phase cannot be restored back to the sol state simply by mixing again with the dispersion medium.
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Chapter 5: Surface Chemistry - LONG ANSWER TYPE QUESTIONS [Page 320]
