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Colloidal solutions of metals like Cu, A...

Colloidal solutions of metals like Cu, Ag, Au and Pt are generally prepared by using .

A

Peptization

B

Bredig's arc method

C

Exchange of solvent

D

Oxidation method

Text Solution

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The correct Answer is:
B
Bredig.s arc method
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ERRORLESS-SURFACE CHEMISTRY-NCERT BASED QUESTIONS (Colloids, Emulsion, Gel and their properties with Application)
  1. In dialysis, colloidal particles are separated from

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  2. Sulphur colloid is prepared by

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  3. Colloidal solutions of metals like Cu, Ag, Au and Pt are generally pre...

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  4. In Bredig's arc method some alkali is added because

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  5. Which of the follwing colloids are formed when hydrogen sulphide gas i...

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  6. Which one of the following does not involved coagulation ?

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  7. Peptizing agent is

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  8. The purification of the colloidal particles from crystalloid dimension...

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  9. Bredig's arc method cannot be used to prepare colloidal solution of wh...

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  10. Colloidal solution of gold cannot be prepared by

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  11. All colloidal dispersions have

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  12. Which of the following is most effective in coagulating a ferric hydro...

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  13. Tyndall effect will be observed in :

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  14. Movement of colloidal particles under the influence of electrostatic f...

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  15. Which of the following substance gives a positively charged sol?

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  16. When a colloidal sol is observed under a microscope we can see,

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  17. The blue colour of the water of the sea is due to :

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  18. The charge on Fe(OH)(3) sol is due to

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  19. Colour of colloids depends on which of the following factors

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  20. The colloidal solution of gelatin in known as :

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