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"Chemisorption is highly specific. " Ill...

"Chemisorption is highly specific. " Illustrate with an example .

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As it involves chemical bonding between adsorbent and adsorbate .
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CBSE COMPLEMENTARY MATERIAL-SURFACE CHEMISTRY-VERY SHORT ANSWER TYPE QUESTIONS (1 MARK)
  1. Why are adsorbate particles attracted and retained on the surface of a...

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  2. Explain the terms sorption and desorption .

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  3. "Chemisorption is highly specific. " Illustrate with an example .

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  4. "Adsorbents in finely divided from are more effective ." Why ?

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  5. Name two compounds used as adsorbent for controlling humidity .

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  6. Mention one shape selective catalyst used to convert alcohol directly ...

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  7. Generally high temperature is favourable for chemisorption . ' Why ?

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  8. Name the catalyst used in the following process : (a) Haber's proce...

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  9. Which group elements show maximum catalytic activity for hydrogenation...

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  10. Why gas masks are used by miners in coal mines while working ?

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  11. Write the chemical reaction involed in the preparation of sulphur sol.

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  12. What are optimum temperature and pH for the enzymes to act best ?

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  13. What are the physical states of dispersed phase and disperation medium...

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  14. What is the composition of colloidion solution ?

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  15. Why do colloidal particles show Brownian movement ?

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  16. State the sigh of entropy change involved when the molecules of a subs...

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  17. Why does sky appear blue to us ?

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  18. What happens when hydrated ferric oxide and arsenious sulphide sols ar...

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  19. Gelatin is generally added to ice creams. Why?

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  20. How is take test for aluminium ion based upon adsorption ?

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