Which of the following is a colloid

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Which of the following is a colloid

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Colloids refer to dispersions of small particles usually with linear dimensions from around 1 nm to 10 micrometres. These particles may be either dissolved macromolecules or having macromolecular structures formed from smaller structural units, or they may constitute a separate phase as in aerosols, powders, pigments dispersions, emulsions or even finely pigmented plastics. These multiphase colloids mentioned above make an account of the properties of both phase and the interface between them and so their investigation is a natural adjunct to the study of the interface and reaching down to the size of colloid particles. The use of colloids vs crystalloids is still very specifically controversial. A colloid preferred by a physician or basically a plasma expander may work better if colloids are present instead of crystalloids. Colloids help in pulling fluid into the bloodstream.

Which of the following is a colloid

As a child, you may have made suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water, known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible or that can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, when we make a solution, we prepare a homogeneous mixture in which no settling occurs and in which the dissolved species are molecules or ions.

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Take a glass of water and throw in a handful of sand or dirt.

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