Which of the following is a colloid

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Which of the following is a colloid

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In chemistry, a colloid is a mixture of tiny particles that are dispersed in another medium. In contrast, particles in a solution are smaller than this size, while particles in a suspension are larger. As in a solution, the particles in a colloid do not separate upon standing. The particles in a colloid are called the dispersed phase , which is spread throughout the dispersion medium. Colloids are classified as foams, aerosols, emulsions, gels, or sols, depending on the nature of the dispersed phase and dispersion medium. Familiar examples of colloids include mayonnaise, milk, fog, smoke, and gelatin. The Tyndall effect is the scattering of light by the particles in a colloid or fine suspension.

Which of the following is a colloid

A colloid is primarily a heterogeneous mixture in which the minute particles of one substance are dispersed in another substance, called the dispersion medium. The minute particles here are 1 to nanometers in diameter but they still remain suspended and do not settle at the bottom of the mixture. They are visible under an optical or an electron smaller particles microscope. A colloid is a mixture in which one substance which has fine particles dispersed phase mixed into another substance dispersion medium. The particles of the colloids have a range from 1 to nm in diameter.

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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.

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