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peptization involves :...

peptization involves :

A

Precipitation of colloidal particles

B

Disintegration of colloidal aggregates

C

Evaporation of dispersion medium

D

Impact of molecules of the dispersion medium on the colloidal particles

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-SURFACE CHEMISTRY-MULTIPLE CHOICE QUESTIONS - HIGHER LEVEL
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  2. The isoelectric point of a colloidally dispersed material is the pH va...

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  3. peptization involves :

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  4. Which of the following is not the property of hydrophilic solutions ?

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  5. Which one of the following characteristics is not correct for physical...

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  6. The dispersed phase in colloidal iron (III) hydroxide and collodial go...

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  7. Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10...

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  8. In the fermentation of sugar, glucose is converted into alcohol and CO...

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  9. The volume of gases H(2), CH(4), CO(2) and NH(3) adsorbed by 1 g of ch...

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  10. Protons accelerate the hydrolysis of esters . This is an example os :

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  11. Which of the following is correct ?

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  12. Colloidal solution in which the dispersed phase has little affintiy fo...

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  13. Collioidal sols can be purified by

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  14. An example of micelle is

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  15. The movement of dispersion medium under the influence of an electric f...

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  16. Which of the following electrolyte is most effective in causing the co...

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  17. Bredig's arc method cannot be used for the preparation of colloidal s...

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  18. on addition of 1 ml solution of 10% NaCl to 10 ml gold sol in the pres...

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  19. In the preparation of AgI sol, the excess of AgNO(3) is added to potas...

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  20. Isoelectric point is the pH at which colloidal particles

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