हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Explain the Terms Coagulation

Advertisements
Advertisements

प्रश्न

Explain the terms Coagulation

Advertisements

उत्तर

Coagulation: The process of settling down of colloidal particles i.e., conversion of a colloid into a precipitate is called coagulation.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

संबंधित प्रश्न

Define the following term:

Zeta potential


Give reasons for the following observations:

Brownian movement provides stability to the colloidal solution.


Give reasons for the following observations: Leather gets hardened after tanning.


Define the following term : Brownian movement


Explain the terms Dialysis 


What happens when persistent dialysis of a colloidal solution is carried out?


Answer the following question.
Why are medicines more effective in the colloidal state?


A colloidal sol is prepared by the given method in the figure. What is the charge on hydrated ferric oxide colloidal particles formed in the test tube? How is the sol represented?


Which of the following will show Tyndall effect?


What causes brownian motion in colloidal dispersion?


Match the statement given in Column I with the phenomenon given in Column II.

Column I Column II
(i) Dispersion medium moves in an electric field (a) Osmosis
(ii) Solvent molecules pass through semi permeable
membrane towards solvent side
(b) Electrophoresis
(iii) Movement of charged colloidal particles under
the influence of applied electric potential towards
oppositely charged electrodes
(c) Electroosmosis
(iv) Solvent molecules pass through semi permeable
membranes towards solution side
(d) Reverse osmosis

Assertion: Colloidal solutions show colligative properties.

Reason: Colloidal particles are large in size.


Assertion: Coagulation power of Al3+ is more than Na+.

Reason: Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy Schulze rule).


Gold number is associated with:-


The important factor in the stabilization of a colloidal solution is ______


Define coagulation.


What is electrophoresis?


Coagulation value of the electrolytes AlCl3 and NaCl for As2S3 sol are 0.093 and 52 respectively. The No. of times AlCl3 has greater coagulating power than NaCl is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×