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When freshly precipitated Fe(OH)(3) is b...

When freshly precipitated `Fe(OH)_(3)` is boiled with water in the presence of few drops of dil. HCI, a hydrated ferrric oxide sol is obtained. This method termed :

A

dialysis

B

peptization

C

ultrafiltration

D

electro-dispersion

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The correct Answer is:
B
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OP TANDON-THE COLLOIDAL STATE-Objective Questions
  1. Bredig's arc method is used for the preparation of colloidal solution ...

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  2. Which of the following reactions is not used for the preparation of a ...

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  3. When freshly precipitated Fe(OH)(3) is boiled with water in the presen...

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

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  5. Brownian movement was discovered by :

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  6. The cause of Brownian-movement is

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  7. Tyndall phenomenon is exhibited by

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  8. The sky looks blue due to ………… effect.

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  9. Tyndall effect in colloidal solution is due to

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  10. Migration of colloidal particles under the influence of electrie field...

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  11. the stability of lyophilic colloids is due to

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  12. Greater the valency, the higher is the coagulating power of ion.'This ...

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  13. Bleeding is stopped by the application of ferric-chloride this is beca...

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  14. The property of colloidal suspension used to determine the nature of c...

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  15. When excess of electrolyte is added to a colloid it :

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  16. The colloidal solutions of gold prepared by different methods have dif...

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  17. The capacity of an ion to coagulate a colloidal solution depends on

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  18. Lyophilic sols are more stable than lyophobic sols because

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  19. which of the following will have the highest coagulating power for As(...

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  20. A negatively charged suspension of clay in water will need for precipi...

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