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Which one of the following is not explai...

Which one of the following is not explained by adsorption?

A

When acetic acid solution is shaken with charcoal, the Concentration of the acid decreases.

B

The white Precipitate of `Mg(OH)_2` attains blue colour when Precipitated in the Presence of magneson reagent.

C

The air becomes dry in the Presence of silica gel.

D

When animal charcoal is shaken with coloured methylene blue Solution, the solution turns colourless.

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Choose the incorrect statement in respect of physisorption ?

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  2. In the adsorption of a gas on solid, Freundlich isotherm is obeyed. Th...

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  3. Which one of the following is not explained by adsorption?

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  4. The correct ascending order of adsorption of the following Gases on th...

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  5. Which of the following Statements is incorrect about physisorption?

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  6. Volume of a colloidal particle, Vc as compared to the volume of a solu...

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  7. Which of the following electrolyte will have maximum flocculation valu...

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  8. In Langmuir's model of adsorption of a gas an a solid surface.

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

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  10. Which of the following statements is incorrect regarding physisorption...

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  11. For a linear plot of log (x/m) versus log P in a Freundlich adsorption...

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  12. The coagulating power of electrolytes having ions Na^+, Al^(3+) and Ba...

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  13. 3g of activated charcoal was added to 50 mL of acetic acid solution (0...

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  14. For a linear plot of log (x/m) versus log P in a Freundlich adsorption...

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  15. On adding one mL of solution of 10% NaCl to 100 mL of gold sol in the ...

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  16. When an excess and a very dilute aqueous solution of KI is added to a ...

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  17. Which one of the following impurities present in colloidal solution ca...

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  18. The ion that is more effective for coagulatin of As2S3 sol is

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  19. The dispersed phase and dispersion medium in soap lather are respectiv...

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  20. Which of the following relation is/ are correct for Langmuir adsorptio...

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