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What are lyophobic and lyophilic solids?...

What are lyophobic and lyophilic solids?

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

What are lyophilic and lyophobic colloids ? Give one example of each.

What are lyophilic and lyophobic colloids ? Which of these sols can be easily coagulated on the addition of small amount of electrolytes ?

What is the diffenence between lyophobic and lyophilic colloids.

Lyophilic sols are

Distinguish between lyophilic and lyophobic colloids.

Write four differences between lyophilic and lyophobic colloids.

SHARAM PUBLICATION-SET 14-EXERCISE
  1. What are polar and non-polar molecular solids? Explain with two exampl...

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  2. Write the relation between decrease in free energy and eqilibrium cons...

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  3. What do you mean by relative lowering of vapour pressure? Calculate th...

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  4. Why sulphide ores are concentred by froth floatation process.

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  5. What happens when acetone reacts with: Phenyl hydrazine

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  6. Which of the following ions will exhibit colour in aqueous solution an...

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  7. Why is phenol more acidic than methanol and less acidic than 4-nitroph...

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  8. Give a method of distinction of 1^@,2^@ and 3^@ alcohol.

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  9. Ho w can you prepare acetic acid from CH3 Mg Br?

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  10. What happens when isopropyl alcohol vapour is passed over red hot copp...

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  11. How is sulphuric acid prepared by contact process? Write its reaction ...

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  12. What mass of silver will be deposited at the Cathode when a solution o...

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  13. What are lyophobic and lyophilic solids?

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  14. Differentiate between multimolecular and macromolecular colloids.

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  15. Write the name of two disinfectants.

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  16. Ethyl alcohol is treated with Conc. H2 SO4 at 140^@ C

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  17. How will you prepare ethanol from acetaldehyde?

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  18. Why are lower alcohols completely soluble in water?

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  19. Write note on Addition and Condensation polymerization.

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  20. Write notes on Gabriel phthalimide synthesis.

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