Question

What basically colloids are?????

Answer 1

 the colloids can cause water coloration and they have also organic origin which contain R-NH2 

Answer 2

Colloids are a homogeneous non-crystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance. Colloids include gels, sols, and emulsions; the particles do not settle, and cannot be separated out by ordinary filtering or centrifuging like those in a suspension.

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