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What do you mean by activity and selecti...

What do you mean by activity and selectivity of catalysts ?

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PRADEEP-SURFACE CHEMISTRY -IMPORTANT QUESTIONS (FOR BOARD EXAMINATION)
  1. What is the role of activated charcoal in gas mask used in coal mines?

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  2. Why is ester hydrolysis slow in the beginning and becomes faster after...

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

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  4. Descirbe some features of catalysis by zeolites.

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  5. What are enzymes ? Write in brief the mechanism of enzyme catalysis ?

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  6. Do the vital functions of the body such as digestion get affected duri...

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  7. What is Ziegler-Natta catalyst ? Give the reaction for which it is use...

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  8. Comment on the statement that " colloid is not a substance but state ...

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  9. What is the difference between multimolecular and macromolecular colli...

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  10. What are lyophilic and lyophobic sols ? Give one example of each type....

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  11. What is collodion ?

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  12. How will you obtain a colodial sol of aresenious sulphide ?

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  13. How can you make dialysis fast ?

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  14. Gold sol can be prepared by

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  15. What happens when dialysis is prolonged ?

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  16. What is common in aqua sols and solid aerosol? How do they differ?

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  17. What happens when a colloidal sol of Fe(OH)(3) is mixed with that of A...

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  18. What will happen if gelatin is added to a goal sol ?

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  19. The coagulatin of 100 mL of 10% NaCl solution. Find out of gold number...

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  20. State Hardy schulze rule.

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