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which one of the sols acts as protetive ...

which one of the sols acts as protetive colloid ?

A

`As_(2)S_(3)`

B

Gelatin

C

Au

D

`Fe(OH)_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Gelatin has maximum protective power.
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ERRORLESS-SURFACE CHEMISTRY-NCERT BASED QUESTIONS (Colloids, Emulsion, Gel and their properties with Application)
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  2. An emulsifier is a substance which :

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  6. The density of gold is 19g//cm^3. If 1.9xx10^-4g of gold is dispersed ...

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  7. Colloidal solution can be purified by :

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  8. In dialysis, colloidal particles are separated from

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  9. Sulphur colloid is prepared by

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

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

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

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

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

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

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  18. All colloidal dispersions have

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