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Noble gases are adsorbed by...

Noble gases are adsorbed by

A

Anhydrous calcium chloride

B

Farric hydroxide

C

Cons, `H_(2)SO_(4)`

D

Activated cocount charcoal

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Verified by Experts

The correct Answer is:
D
Noble gases are adsorbed by coconut charcoal. The adsorption of different noble gases occure at different temperature. Hence charcoaol is used to separated these gases. Helium is not adsorbed by charcoal (as it is very difficult for liquefiable gas).
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A2Z-SURFACE CHEMISTRY-Section D - Chapter End Test
  1. Which of the following is not represented by sols?

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  2. Example of an intrinsic colloid is

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  3. colloidal solution of arsenious sulphide is coagulated by

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  4. Gold number gives

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  5. Point out the false statement

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  6. which of the following does not contain a hydrophobic structures.

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  7. The function of gum arabic in the preparation of Indian ink is

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  8. Which of the following gases is adsorbed most by activated charcoal?

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  9. Spherical gold paricles of radius 10nm, then the number of gold partic...

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

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  11. In Frenudlich adsorption isotherm si proportional to pressure P as

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  12. Noble gases are adsorbed by

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  13. Adam's catalyst is

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  14. Which of the following types of metal form the most efficient catalyst...

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  15. As(2)S(3) has a negative charge. Capacity to precipate it is highest i...

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  16. Which of the following ielectrolytes is least effective in causing flo...

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  17. Ferric hydroxide sol is positively charged colloid. The coagulating po...

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  18. Assertion: According to Freundlich: x/m k.P^(1//n) Reason: The isot...

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  19. Assertion: For the coagulation of sols carrying positive charge, PO(4)...

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  20. Assertion: Physical absorption of molecular takes place on surface onl...

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