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What is a promoter? Give example...

What is a promoter? Give example

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R G PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. The concept of adsorption is used metallurgical porcess? How?

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  2. Why is adsorption always exothermic?

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  3. What is a promoter? Give example

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  4. What do you mean by activity and selectivity of catalysts?

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  5. Write one use of ZSM-5

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  6. What are enzymes? Write in brief the mechanism of enzyme Catalysis

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  7. Which enzyme convert milk into curd?

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  8. Define Co-enzyme. Give one example.

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  9. Why is the ester hydrolysis slow in the beginning and becomes faster a...

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  10. Why lyophilic colloids are reversible?

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  11. Describe the following terms. Critical Micelle concentration

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  12. What is the function of peptizing agent?

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  13. Name the methods used for purification of colloidal solution.

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  14. In what way colligative proparties are applicable to colloidal particl...

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  15. To show Tyndal effect the value of refractive indices of the disperse...

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  16. What will happen when KI solution is added to AgNO3 solution .

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  17. A delta is formed at the meeting point of sea water and river water wh...

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  18. Write the conditions to observe the Tyndall effect.

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  19. Why is it necessary to remove CO when ammonia is obtained by Haber's p...

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  20. Distinguish between adsoption and absorption. Why does adsorption take...

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