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Which are of the following is a case of ...

Which are of the following is a case of adsorption?

A

Anhydrous `CaCl_2` in contact with water vapour

B

Silica gel in contact with water vapours

C

Ammonia gas in contact with water

D

Cotton clothes dipped in a dye solution

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The correct Answer is:
B
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AAKASH SERIES-REVISION EXERCISE -SURFACE CHEMISTRY
  1. In an adsorption experiment a graph between log x/m vs. log p is found...

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  2. Which are of the following is a case of adsorption?

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  3. The volumes of gases H2,CH4,CO2 and NH3 adsorbed by 1gr of charcoal a...

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  4. Which one of the following is not an application of adsorption ?

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  5. Which of the following is less than zero during adsorption?

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  6. Arsenic (III) sulphide forms a sol with a negative charge which of the...

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  7. A negatively charged suspenstion of clay in water needs for precipitat...

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  8. A colloidal sol Fe(OH)(3) in water is

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  9. Ultra microscope works on the principle of

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  10. Ferric chloride on rubbing to a bleeding wound causes

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  11. Hardy - Schulz rules are based on of electrolyte ions coagulating the...

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  12. Which of the following is a kinetic property of sols?

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  13. Brownian movement is mainly is due to

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  14. When an electrolyte is added to a colloidal sol it

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  15. The coagulation power of an effective ion carrying the charge opposite...

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  16. Which electrolyte is least effective in causing coagulation of +ve fer...

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

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  18. Lyophilic sols are more stable than lyophobic sols because

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  19. A liquid is found to scatter a beam of light but leaves no residance w...

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  20. Cellulose dispersed in ethanol is called

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