Multiple choice

Associated colloids having aggregated particles are also known as:

  1. micelles

  2. macromolecular colloids

  3. multimolecular colloids

  4. lyophilic colloids
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A Correct answer
Explanation

Certain substances behave as strong electrolytes at low concentration but at higher concentrations these substances exhibit colloidal characteristics due to the formation of aggregated particles. These aggregated particles are called micelles. Micelles are called associated colloids. The formation of micelles takes place only above a particular temperature called Kraft Temperature (Tk) and above particular concentration called the critical micelle concentration (CMC). On dilution, these colloids revert back to individual ions.

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