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Explain the FORMATION OF COLLOIDS

Then, answer the following questions.

1. What is true of colloid particles?
2. Which property is not true of colloids?
3. What is adsorption?
4. Which property of colloidak particles in air makes them harmful?
5. What property of colloids makes possible the process of electodeposition?
6. Activated carbon consists of colloidal carbon particles. What property of the particles makes activated carbon useful as a decolorizingg and deodorizing agent?
7. Which property of colloids accounts for their high adsorption capacity?


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Sagot :

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۞ Formation Of Colloids

[tex]\implies[/tex] Two methods of preparing colloids are by dispersion and by condensation.

Dispersion methods involve breaking big particles to particles of colloidal size. This may be done mechanically using a colloid mill. The fine particles are then stirred in thr dispersion medium,usually water. The homogenizer used in the preparation of cheese and butter is an example of a colloid mill. Emulsions are prepared by beating or shaking one liquid into another. Then a third substance is added to make the emulsion stable.Another method employs a chemical reagent gor bteaking big particles. The reagent is called peptizing agent. The process is called peptization Clag is peptized by NaOH to form colloidal clay.

☘︎ Answers to the given questions: (Some of my answers include explanations for you to understand it well!!)

1. Smaller then the particles of a suspension but bigger than the particles of a solution.

  • The size of colloidal particles is between that of a solution and that of a suspension.

2. Particles Settle

  • Particles of colloids are too small to settle

3. A process wherein molecules of one substance are held on the surface of another substance.

  • Absorption, precipitation, and evaporation processes are defined, respectively

4. They absorb and carry along poisonous substances

  • Because colloidal particles are good adsorbents, they are good carriers for other substances.

5. Colloidal Particles Carry a uniform charge

  • Because of their uniform charge, colloidal particles move toward a given electrode under an electric force.

6. Colloidal particles have large surface area

  • As a decolorizing and deodorizing agent, activated carbon acts as an absorbent. The absorbent property is due to its large surface area.

7. Particles Have large surface area

  • The division of bug particles into smaller ones causes a larger increase in surface area. More molecules are absorbed on a large amount of exposed surface.

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Things to remember about colloids: (I added this to my answer for you to understand some science Ideas about colloids hope it will be useful for your knowledge)

  • Colloids are classified according to the nature of the dispersed phase and the dispersion medium.
  • Colloids are prepared either by breaking big particles into particles of colloidal size (dispersion) ot by making small particles from clusters of molecules within colloidal range ( condensation )
  • Colloids are stable because of the presence of like charges on colloidal particles of Brownian Movement.
  • Lyophobic colloids are less stable than lyophilic colloids.

FOR MORE INFORMATION ABOUT COLLOIDS KINDLY CLICK THE LINK BELOW

  • https://brainly.ph/question/3431510

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