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Q.
The critical micelle concentration $(CMC)$ is defined as
Surface Chemistry
Solution:
Associated colloids are some substances which at low concentrations behave as normal strong electrolytes, but at higher concentrations exhibit colloidal behaviour due to the formation of aggregates.
The aggregated particles thus formed are called micelles.
The formation of micelles takes place only above a particular temperature called Kraft temperature and above a particular concentration called critical micelle concentration (CMC).