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NCERT TELUGU-SURFACE CHEMISTRY-Exercise
- What is difference between physisorption and chemisorption ?
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- Why are finely powdered substances more effective adsorbents than thei...
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- What are the factors which influence the adsorption of a gas on a soli...
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- What is an adsorption isotherm ? Write the equation of Freundlich adso...
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- What do you understand by activation of adsorbent? How is it achieved ...
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- What role does adsorption play in heterogenous catalysis ?
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- Why is adsorption always exothermic?
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- How are colloids classified on the basis of interaction between dispe...
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- Discuss the effect of pressure and temperature on the adsorption of ga...
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- What are lyophilic and lyophobic sols ? Give one example for each type...
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- What is the dlfferenee between multmolecular and macromolecular colloi...
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- What are enzymes ? Give examples ?
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- How are colloids classified on the basis of (i) physical states of...
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- Explain what is observed (i) when a beam of light is passed throug...
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- What are emulsions? What are their different types? Give example of ea...
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- What is demulsification ? Name two demulsifiers.
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- Action of soap is due to emulsification and micelle formation. Comment...
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- Give two examples for heterogeneous catalysis.
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- What do you mean by activity and selectivity of catalyst ?
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- Discuss some features of catalysis by zeolites.
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