Question

define callidal state
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Answer 1

Answer:

In chemistry, a colloid is a phase separated mixture in which one substance of microscopically dispersed insoluble or soluble particles is suspended throughout another substance. Sometimes the dispersed substance alone is called the colloid; the term colloidal suspension refers unambiguously to the overall mixture.

Answer 2

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The colloidal state is a particulate phase, in which the particles range in. size from 1.0 nm to 10' nm, dispersed in a continuous phase, the dispersion medium. The extremely large interface between the two phases dictates that on surface energy considerations alone, the colloidal state is thermodynamically unstable.

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