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What are lyophilic and lyophobic sols?Gi...

What are lyophilic and lyophobic sols?Give one example of each type ? Why is hydrophobic sol easily coagulated ?

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NARAYNA-SURFACE CHEMISTRY -EXERCISE - 4
  1. What are lyophilic and lyophobic sols?Give one example of each type ? ...

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  2. Which of the folowing process does not occur at the interface of phase...

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  3. Extent of adsorption of adsorbate from solution phase increases with ...

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  4. In physisorption adsorbent does not show specificity for any particula...

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  5. Which of the following process is not responsible for the presence of ...

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  6. Which one of the following forms micelles in aqueous solution above ce...

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  7. Which of the following statements are correct about solid catalyst?

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  8. Freundlich adsorption isotherm is given by the expression (x)/(m) = kp...

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  9. An emulsion cannot be broken by cdots and a) heating b) addin...

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  10. What happens when lyophilic sol is added to a lyophobic sol?

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  11. In a reaction catalyst changes a) Physically " " b) qualitative...

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  12. Which of the following phenomenon occurs when a chalk stick is dipped ...

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  13. Why does the white precipitate of silver halide become coloured in the...

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  14. On adding AgNO(3) solution into KI solution, a negatively charged coll...

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  15. 3.6 gram of oxygen of adsorbed on 1.2 g of metal powder. What volume o...

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  16. 100 mL of 0.6 M acetic acid is shaken with 2 g activatid carbon . The...

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  17. Plot of log against log P is a straight line inclined at an angl...

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  18. One gram of charcoal adsorbs 100 mL of 0.5 M CH(3)COOH to form a mono-...

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  19. 1.30 cm^(3) of N(2) gas at STP is adsorbed per gram of silica gel. The...

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  20. Graph between log x//m and log p is a straight line inclined at an ang...

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  21. 3.6 gram of oxygen of adsorbed on 1.2 g of metal powder. What volume o...

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