what is colloid and write ty application
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Colloid
A colloid is a substance microscopically dispersed evenly throughout another substance.
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A Colloid is a heterogeneous mixture of two components, one microscopically dispersed into another substance.
It consists of two parts a) Colloidal particle b) Dispersion medium.
Colloidal particle is a solute having its size range between 1 nanometer to 1 micrometer , i.e 1 * 10^-9 m to 1 * 10^ -6 m
Types of Colloids are:
- Sol : A solid in liquid medium
- Emulsion: A Liquid in liquid medium
- Foam: A Gas in liquid medium.
- Aerosol: Solid / Liquid in gaseous medium.
Some of the Applications of Colloids:
- Purification of water : Colloidal particles in the water are purified by different electrolysis methods.
- Cleansing : Generally the soap action involves colloidal behaviour.
- Medicinal field : Our body tissues absorb these small colloidal particles more easier, so medicines are made by colloids.
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