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What are optimum temperature and pH for ...

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

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The correct Answer is:
pHrange 5-7 and temperature range 298- 310 k.
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AAKASH INSTITUTE-SURFACE CHEMISTRY -TRY YOURSELF
  1. Metals of how many groups of periodic table show macimum catalytic act...

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  2. Which catalyst is used to convert alcohol directly to petrol?

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

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  4. Which enzyme converts milk into curd?

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  5. By which method precipitate is converted into colloids?

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  6. Give one example each of multimolecular and macro-molecular colloids.

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  7. Explain the cleansing action of soaps.

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  8. What is the dispersed phase and dispersion medium in gel?

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  9. Why true solutions do not exhivit tyndall effect?

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  10. Write the name of four methods to coagulate lyphobic colloids

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  11. What is most accepted reason for the presence of charge on colloids?

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  12. Define coagulation value.

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  13. Why adsorption is exothermic ?

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  14. What is the effect on entropy change (Delta S) in adsorption ?

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  15. Which adsorption has low enthalpy of adsorption ?

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  16. Low temperature is favourable for which type of adsorption ?

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  17. Which type of gases are readily adsorbed by solids ?

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  18. Write any two characteristics of Chemisorption.

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  19. Why dows physisoption decrease with increase of temperature ?

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  20. What is the change in mass and composition of catalyst after the compl...

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