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Colloidal particles in a sol. can be coagulated by
  • a)
    Heating
  • b)
    Adding an electrolyte
  • c)
    Adding oppositely charged sol
  • d)
    Any of the above methods
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Colloidal particles in a sol. can be coagulated bya)Heatingb)Adding an...
The correct answer is option  D
Stability of the lyophobic sols is due to presence of charge on colloidal particles. If charge is removed, particles come together and settle down. Spontaneous destabilization of solution is ageing and destabilization of solution by artificial means is called coagulation.
Methods of coagulation are as follows:
1. Boiling
2. Dialysis
3. Addition of electrolytes
4. Mixing two oppositely charged sols
5. Electrophoresis
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Colloidal particles in a sol. can be coagulated bya)Heatingb)Adding an...
Stability of the lyophobic sols is due to presence of charge on colloidal particles. If charge is removed, particles come together and settle down. Spontaneous destabilization of solution is ageing and destabilization of solution by artificial means is called coagulation.
Methods of coagulation are as follows:
1. Boiling
2. Dialysis
3. Addition of electrolytes
4. Mixing two oppositley charged sols
5. Electrophoresis
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Colloidal particles in a sol. can be coagulated bya)Heatingb)Adding an electrolytec)Adding oppositely charged sold)Any of the above methodsCorrect answer is option 'D'. Can you explain this answer?
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