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In Langmuir's model of adsorption of a g...

In Langmuir's model of adsorption of a gas on a solid surface

A

The mass of gas striking a given area of surface is proportional to the pressure of the gas

B

the mass of gas striking a given area of surface is independof ent the pressure of the gas

C

the rate of dissociation of adsorbed molecules from the surface does not depend on the surface covered

D

the adsorption at a single site on the surface may involve multiple molecules a t the same time.

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V PUBLICATION-SURFACE CHEMISTRY-QUESTION BANK
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  2. Milk is an emulsion of fat dispersed in

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  3. Which of the following is an example of associated colloid

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  4. Tyndall effect would be observed in a

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  5. Collodial paritcles in a soil can be coagulated by

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  6. The electrical charge on a colloidal particle is indicated by

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  7. The protective power of a lyophilic sol is : Hardy - schulze rule, ...

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  8. Identifiy the gas which is readily adsorbed by activated charcol? N2,...

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  9. Small liquid droplets dispersed in another liquid is called

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  10. A liquid is found to scatter a beam of light without leaving any resid...

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  11. The minimum concentration of an electolyte required to cause coagulati...

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  12. All colloids

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  13. Peptisation is process of

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  14. Emulsifier is an agent which

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  15. The formation of micelles which occurs only beyond a certain temperatu...

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  16. An aresnious sulphides sol carries a negative charge. The maximum pre...

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  17. Which one of the following is correctly matched

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  18. Which of the following forms cationic micelles above certain concentra...

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  19. In Langmuir's model of adsorption of a gas on a solid surface

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  20. Langmuir adsorption isotherm under high pressure is represented as

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