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Why are substances like platinum and pal...

Why are substances like platinum and palladium often used for carrying out electrolysis of aqueous solutions ?

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NCERT TELUGU-SURFACE CHEMISTRY-Exercise
  1. Why are substances like platinum and palladium often used for carrying...

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  2. Distinguish between adsorption and absorption. Give one example of eac...

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  3. What is difference between physisorption and chemisorption ?

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  4. Why are finely powdered substances more effective adsorbents than thei...

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  5. What are the factors which influence the adsorption of a gas on a soli...

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  6. What is an adsorption isotherm ? Write the equation of Freundlich adso...

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  7. What do you understand by activation of adsorbent? How is it achieved ...

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  8. What role does adsorption play in heterogenous catalysis ?

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  9. Why is adsorption always exothermic?

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  10. How are colloids classified on the basis of interaction between dispe...

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  11. Discuss the effect of pressure and temperature on the adsorption of ga...

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  12. What are lyophilic and lyophobic sols ? Give one example for each type...

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  13. What is the dlfferenee between multmolecular and macromolecular colloi...

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  14. What are enzymes ? Give examples ?

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  15. How are colloids classified on the basis of (i) physical states of...

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  16. Explain what is observed (i) when a beam of light is passed throug...

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  17. What are emulsions? What are their different types? Give example of ea...

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  18. What is demulsification ? Name two demulsifiers.

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  19. Action of soap is due to emulsification and micelle formation. Comment...

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  20. Give two examples for heterogeneous catalysis.

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  21. What do you mean by activity and selectivity of catalyst ?

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