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Draw labelled diagram Tyndall effect. - Chemistry

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Draw labelled diagram Tyndall effect.

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पाठ 11: Adsorption and Colloids - Exercises [पृष्ठ १७३]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 11 Adsorption and Colloids
Exercises | Q 10. (a) | पृष्ठ १७३

संबंधित प्रश्‍न

 Define the following with a suitable example, of each: 
 Gel


Choose the correct option.

The size of colloidal particles lies between ______.


Define the term Electrophoresis.


Identify the dispersed phase and dispersion medium in the following colloidal dispersions.

  1. milk
  2. blood
  3. printing ink
  4. fog

Write Hardy-Sulze rules.


What happens when a beam of light is passed through a colloidal sol.


Explain Bredig’s arc method.


Explain micelle formation in a soap solution.


Draw labelled diagram Dialysis.


Draw labelled diagram of Soap micelle.


Which one of the following methods is used to make platinum sol?


Which of the following statements is CORRECT?


Tyndall effect is useful ______.


The movement of colloidal particles towards respective electrode under electric field is called ______.


Which of the following compounds forms a colloidal solution when dissolved in water?


In which of the following sols there is low affinity between dispersed phase and dispersion medium?


Freshly prepared precipitate sometimes gets converted to colloidal solution by ______.


An emulsion cannot be broken by:

(i) heating

(ii) adding more amount of dispersion medium

(iii) freezing

(iv) adding emulsifying agent


How do emulsifying agents stabilise the emulsion?


How does the precipitation of colloidal smoke take place in Cottrell precipitator?


Toluene is oxidised to benzoic acid by


Cloud is an example of


The coagulation of 200 ML of position sol took place when 0.73 HCL was added to its without changing the volume much. The flocculation value of HCL for the colloid is.


For coagulating 200 ml of arsenious sulphide sol, 10 ml of 1 m NaCl solution is required find out the flocculation value of NaCl.


Which of the following electrolytes will be most effective in coagulating negative sol?


Blood may be purified by ______.


Identify the colloidal molecule containing hydrophilic head and hydrophobic tail within it.


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