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Answer:
A colloid is a mixture composed of particles in a dispersing medium. A colloid is defined by the size of the particles involved. If the particles in a mixture are on the scale of individual molecules, around 1 nanometer, it is defined as a solution. If the particles are larger than 1,000 nanometers, it is a suspension.
Explanation:
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The characteristics of colloids are (i) It is a heterogeneous solution (ii) Two phases are present in this solution (iii) It exhibit Tyndall effect (iv) It also exhibit Brownian movement.
What is Colloids ?
Colloids is also called Colloidal system or Colloidal solutions are mixture in which one substance microscopically dispersed insoluble particle is suspended throughout another substance.
What are the characteristics of colloids ?
The characteristics of colloids are:
- Colloids is a heterogeneous mixture.
- The colloidal solution is turbid.
- In colloidal solution two phases are present in the solution. One is dispersed phase and another is dispersion phase.
- Colloidal solution diffuse slowly.
- It exhibit Tyndall effect.
- It exhibit Brownian movement.
Thus from the above conclusion we can say that The characteristics of colloids are (i) It is a heterogeneous solution (ii) Two phases are present in this solution (iii) It exhibit Tyndall effect (iv) It also exhibit Brownian movement.
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