what is coloid and its type in detail plz.
Answers
Answer:
Colloids, in chemistry, are a mixture of two substances, in which one substance is divided into minute particles aka colloidal particles (ranging from 1 to 1000 nm in diameter) and dispersed or suspended over another substance. These insoluble particles are inseparable either by filtering or centrifuging. Types of Colloids are Sol, Emulsion, Foam, and Aerosol. Let us learn what exactly colloids, there applications, and method of preparation.
Explanation:
The types of colloids includes sol, emulsion, foam, and aerosol. Sol is a colloidal suspension with solid particles in a liquid. ... Foam is formed when many gas particles are trapped in a liquid or solid. Aerosol contains small particles of liquid or solid dispersed in a gas.
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Explanation:
COLLOID
A colloid is a mixture in which one substance of microscopically dispersed insoluble particles are suspended throughout another substance. Sometimes the dispersed substance alone is called the colloid. The colloid consists of a dispersed phase and a continuous phase.
Unlike solutions, colloids do not constitute a solute dissolved in the solvent phase. Rather, the solute phase is dispersed in the solvent phase. The dispersed-phase particles have a diameter between approximately 1 and 1000 nanometers. Such particles are normally easily visible in an optical microscope, although at the smaller size range (r < 250 nm), an ultra microscope or an electron microscope may be required.
Some colloids are translucent because of the Tyndall effect, which is the scattering of light by particles in the colloid. Other colloids may be opaque or have a slight color.
Types of Colloids
Sol – It is a suspension of minute solid particles in a liquid.
Emulsion – It is a colloid between two or more liquid with one consisting a dispersion of another liquid.
Foam – It consists of gas dispersed in solid or liquid.
Aerosol – It consists of a minute liquid or solid particles in a gas.
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